400525525004 has 24 divisors (see below), whose sum is σ = 783289389456. Its totient is φ = 177616640000.

The previous prime is 400525524947. The next prime is 400525525021.

400525525004 is nontrivially palindromic in base 10.

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, 111008597 + ... + 111012204.

It is an arithmetic number, because the mean of its divisors is an integer number (32637057894).

Almost surely, 2^400525525004 is an apocalyptic number.

400525525004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400525525004 is a deficient number, since it is larger than the sum of its proper divisors (382763864452).

400525525004 is a wasteful number, since it uses less digits than its factorization.

400525525004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222020857 (or 222020855 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

It can be divided in two parts, 400525 and 525004, that added together give a palindrome (925529).

The spelling of 400525525004 in words is "four hundred billion, five hundred twenty-five million, five hundred twenty-five thousand, four".