400415004136 has 32 divisors (see below), whose sum is σ = 866362573440. Its totient is φ = 169940346048.

The previous prime is 400415004113. The next prime is 400415004149. The reversal of 400415004136 is 631400514004.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 34704271 + ... + 34715806.

It is an arithmetic number, because the mean of its divisors is an integer number (27073830420).

Almost surely, 2^400415004136 is an apocalyptic number.

It is an amenable number.

400415004136 is an abundant number, since it is smaller than the sum of its proper divisors (465947569304).

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

400415004136 is a wasteful number, since it uses less digits than its factorization.

400415004136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69420193 (or 69420189 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 400415004136 in words is "four hundred billion, four hundred fifteen million, four thousand, one hundred thirty-six".