400880088844 has 12 divisors (see below), whose sum is σ = 701649355624. Its totient is φ = 200408844384.

The previous prime is 400880088821. The next prime is 400880088877. The reversal of 400880088844 is 448880088004.

It is a happy number.

It is a super-3 number, since 3×400880088844³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400880088791 and 400880088800.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7771089 + ... + 7822504.

Almost surely, 2^400880088844 is an apocalyptic number.

It is an amenable number.

400880088844 is a deficient number, since it is larger than the sum of its proper divisors (300769266780).

400880088844 is a wasteful number, since it uses less digits than its factorization.

400880088844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600024 (or 15600022 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 400880088844 in words is "four hundred billion, eight hundred eighty million, eighty-eight thousand, eight hundred forty-four".