400888084032 has 112 divisors (see below), whose sum is σ = 1178752755520. Its totient is φ = 133604868096.

The previous prime is 400888084007. The next prime is 400888084039. The reversal of 400888084032 is 230480888004.

It is a happy number.

It is a super-2 number, since 2×400888084032² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400888084039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11087808 + ... + 11123904.

Almost surely, 2^400888084032 is an apocalyptic number.

It is an amenable number.

400888084032 is an abundant number, since it is smaller than the sum of its proper divisors (777864671488).

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

400888084032 is a wasteful number, since it uses less digits than its factorization.

400888084032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42545 (or 42529 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 400888084032 in words is "four hundred billion, eight hundred eighty-eight million, eighty-four thousand, thirty-two".