400966455208 has 16 divisors (see below), whose sum is σ = 820158658560. Its totient is φ = 182257479600.

The previous prime is 400966455193. The next prime is 400966455221. The reversal of 400966455208 is 802554669004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278218408 + ... + 2278218583.

It is an arithmetic number, because the mean of its divisors is an integer number (51259916160).

Almost surely, 2^400966455208 is an apocalyptic number.

It is an amenable number.

400966455208 is an abundant number, since it is smaller than the sum of its proper divisors (419192203352).

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

400966455208 is a wasteful number, since it uses less digits than its factorization.

400966455208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556437008 (or 4556437004 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 400966455208 in words is "four hundred billion, nine hundred sixty-six million, four hundred fifty-five thousand, two hundred eight".