400470655554 has 64 divisors (see below), whose sum is σ = 904688167680. Its totient is φ = 131278008960.

The previous prime is 400470655517. The next prime is 400470655577. The reversal of 400470655554 is 455556074004.

400470655554 is a `hidden beast` number, since 4 + 0 + 0 + 47 + 0 + 6 + 55 + 554 = 666.

It is a super-2 number, since 2×400470655554² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34538382 + ... + 34549974.

It is an arithmetic number, because the mean of its divisors is an integer number (14135752620).

Almost surely, 2^400470655554 is an apocalyptic number.

400470655554 is an abundant number, since it is smaller than the sum of its proper divisors (504217512126).

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

400470655554 is a wasteful number, since it uses less digits than its factorization.

400470655554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22152 (or 22146 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 45.

The spelling of 400470655554 in words is "four hundred billion, four hundred seventy million, six hundred fifty-five thousand, five hundred fifty-four".