400741550856 has 48 divisors (see below), whose sum is σ = 1085830806060. Its totient is φ = 133520319360.

The previous prime is 400741550813. The next prime is 400741550857. The reversal of 400741550856 is 658055147004.

400741550856 is a `hidden beast` number, since 4 + 0 + 0 + 7 + 41 + 550 + 8 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 348041002500 + 52700548356 = 589950^2 + 229566^2 .

It is not an unprimeable number, because it can be changed into a prime (400741550857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1093095 + ... + 1412918.

Almost surely, 2^400741550856 is an apocalyptic number.

It is an amenable number.

400741550856 is an abundant number, since it is smaller than the sum of its proper divisors (685089255204).

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

400741550856 is a wasteful number, since it uses less digits than its factorization.

400741550856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508246 (or 2508239 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 400741550856 in words is "four hundred billion, seven hundred forty-one million, five hundred fifty thousand, eight hundred fifty-six".