14401566252 has 72 divisors (see below), whose sum is σ = 38568138336. Its totient is φ = 4515469824.

The previous prime is 14401566227. The next prime is 14401566259. The reversal of 14401566252 is 25266510441.

14401566252 is a `hidden beast` number, since 1 + 4 + 40 + 1 + 566 + 2 + 52 = 666.

It is a super-2 number, since 2×14401566252² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (14401566259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201513 + ... + 1213439.

It is an arithmetic number, because the mean of its divisors is an integer number (535668588).

Almost surely, 2^14401566252 is an apocalyptic number.

14401566252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14401566252 is an abundant number, since it is smaller than the sum of its proper divisors (24166572084).

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

14401566252 is a wasteful number, since it uses less digits than its factorization.

14401566252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927 (or 13922 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 14401566252 in words is "fourteen billion, four hundred one million, five hundred sixty-six thousand, two hundred fifty-two".