14657550440 has 32 divisors (see below), whose sum is σ = 35516373480. Its totient is φ = 5412018432.

The previous prime is 14657550431. The next prime is 14657550443. The reversal of 14657550440 is 4405575641.

It can be written as a sum of positive squares in 4 ways, for example, as 13577376484 + 1080173956 = 116522^2 + 32866^2 .

It is a super-2 number, since 2×14657550440² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14657550443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14093279 + ... + 14094318.

Almost surely, 2^14657550440 is an apocalyptic number.

14657550440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14657550440 is an abundant number, since it is smaller than the sum of its proper divisors (20858823040).

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

14657550440 is a wasteful number, since it uses less digits than its factorization.

14657550440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28187621 (or 28187617 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 14657550440 in words is "fourteen billion, six hundred fifty-seven million, five hundred fifty thousand, four hundred forty".