1440

1440 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5.

1440 is 112200 in base 4.

1440 has a representation as a sum of two squares: 1440 = 12² + 36².

There are exactly 1440 Henry VIII primes.

1440 is a number that can be expressed as the difference of the squares of primes in just one distinct way (A090781).

1440 is the number of essentially different ways of arranging numbers 1 through 14 around a circle so that the sum of each pair of adjacent numbers is prime (A051252).

1440 is the number of minutes in one day.

1440 is the sum of the internal angles of a 10-sided polygon.

A bolt of fabric is 1440 inches in length.

Source: Number Gossip