400882512 has 20 divisors (see below), whose sum is σ = 1035613280. Its totient is φ = 133627488.

The previous prime is 400882511. The next prime is 400882553. The reversal of 400882512 is 215288004.

It is a self number, because there is not a number n which added to its sum of digits gives 400882512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400882511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4175812 + ... + 4175907.

It is an arithmetic number, because the mean of its divisors is an integer number (51780664).

Almost surely, 2^400882512 is an apocalyptic number.

It is an amenable number.

400882512 is an abundant number, since it is smaller than the sum of its proper divisors (634730768).

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

400882512 is a wasteful number, since it uses less digits than its factorization.

400882512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351730 (or 8351724 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 400882512 is about 20022.0506442272. The cubic root of 400882512 is about 737.3477687134.

The spelling of 400882512 in words is "four hundred million, eight hundred eighty-two thousand, five hundred twelve".