400525514012 has 24 divisors (see below), whose sum is σ = 756638106000. Its totient is φ = 184416731136.

The previous prime is 400525514003. The next prime is 400525514029. The reversal of 400525514012 is 210415525004.

It is a super-2 number, since 2×400525514012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9169637 + ... + 9213212.

It is an arithmetic number, because the mean of its divisors is an integer number (31526587750).

Almost surely, 2^400525514012 is an apocalyptic number.

It is an amenable number.

400525514012 is a deficient number, since it is larger than the sum of its proper divisors (356112591988).

400525514012 is a wasteful number, since it uses less digits than its factorization.

400525514012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18383285 (or 18383283 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 400525514012 in words is "four hundred billion, five hundred twenty-five million, five hundred fourteen thousand, twelve".