400255552004 has 36 divisors (see below), whose sum is σ = 879900642432. Its totient is φ = 155943720240.

The previous prime is 400255551967. The next prime is 400255552007.

400255552004 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (400255552007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59066204 + ... + 59072979.

It is an arithmetic number, because the mean of its divisors is an integer number (24441684512).

Almost surely, 2^400255552004 is an apocalyptic number.

400255552004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400255552004 is an abundant number, since it is smaller than the sum of its proper divisors (479645090428).

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

400255552004 is a wasteful number, since it uses less digits than its factorization.

400255552004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118139216 (or 118139203 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, 400255 and 552004, that added together give a palindrome (952259).

The spelling of 400255552004 in words is "four hundred billion, two hundred fifty-five million, five hundred fifty-two thousand, four".