400325523004 has 96 divisors (see below), whose sum is σ = 784208517120. Its totient is φ = 177277464000.

The previous prime is 400325522999. The next prime is 400325523023.

400325523004 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×400325523004² (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 31 ways as a sum of consecutive naturals, for example, 214420879 + ... + 214422745.

It is an arithmetic number, because the mean of its divisors is an integer number (8168838720).

Almost surely, 2^400325523004 is an apocalyptic number.

400325523004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400325523004 is a deficient number, since it is larger than the sum of its proper divisors (383882994116).

400325523004 is a wasteful number, since it uses less digits than its factorization.

400325523004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

It can be divided in two parts, 400325 and 523004, that added together give a palindrome (923329).

The spelling of 400325523004 in words is "four hundred billion, three hundred twenty-five million, five hundred twenty-three thousand, four".