400876552 has 16 divisors (see below), whose sum is σ = 754958160. Its totient is φ = 199554384.

The previous prime is 400876547. The next prime is 400876571. The reversal of 400876552 is 255678004.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108558 + ... + 112189.

It is an arithmetic number, because the mean of its divisors is an integer number (47184885).

Almost surely, 2^400876552 is an apocalyptic number.

It is an amenable number.

400876552 is a deficient number, since it is larger than the sum of its proper divisors (354081608).

400876552 is a wasteful number, since it uses less digits than its factorization.

400876552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220980 (or 220976 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 400876552 is about 20021.9018077704. The cubic root of 400876552 is about 737.3441145966.

The spelling of 400876552 in words is "four hundred million, eight hundred seventy-six thousand, five hundred fifty-two".