14957440 has 32 divisors (see below), whose sum is σ = 35759160. Its totient is φ = 5982720.

The previous prime is 14957413. The next prime is 14957441. The reversal of 14957440 is 4475941.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×14957440² = 447450022707200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14957396 and 14957405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14957441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11046 + ... + 12325.

Almost surely, 2^14957440 is an apocalyptic number.

14957440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14957440 is an abundant number, since it is smaller than the sum of its proper divisors (20801720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14957440 is an equidigital number, since it uses as much as digits as its factorization.

14957440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23390 (or 23378 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 14957440 is about 3867.4849708822. The cubic root of 14957440 is about 246.3877376255.

The spelling of 14957440 in words is "fourteen million, nine hundred fifty-seven thousand, four hundred forty".