400725552982 has 16 divisors (see below), whose sum is σ = 638637877440. Its totient is φ = 188043371208.

The previous prime is 400725552977. The next prime is 400725552991. The reversal of 400725552982 is 289255527004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49273548 + ... + 49281679.

It is an arithmetic number, because the mean of its divisors is an integer number (39914867340).

Almost surely, 2^400725552982 is an apocalyptic number.

400725552982 is a deficient number, since it is larger than the sum of its proper divisors (237912324458).

400725552982 is a wasteful number, since it uses less digits than its factorization.

400725552982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98555355.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 400725552982 in words is "four hundred billion, seven hundred twenty-five million, five hundred fifty-two thousand, nine hundred eighty-two".