400809145933996 has 12 divisors (see below), whose sum is σ = 702283021466040. Its totient is φ = 200156854086560.

The previous prime is 400809145933961. The next prime is 400809145934009. The reversal of 400809145933996 is 699339541908004.

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 3 ways as a sum of consecutive naturals, for example, 61929716470 + ... + 61929722941.

It is an arithmetic number, because the mean of its divisors is an integer number (58523585122170).

Almost surely, 2^{400809145933996} is an apocalyptic number.

It is an amenable number.

400809145933996 is a deficient number, since it is larger than the sum of its proper divisors (301473875532044).

400809145933996 is a wasteful number, since it uses less digits than its factorization.

400809145933996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123859440224 (or 123859440222 counting only the distinct ones).

The product of its (nonzero) digits is 226748160, while the sum is 70.

The spelling of 400809145933996 in words is "four hundred trillion, eight hundred nine billion, one hundred forty-five million, nine hundred thirty-three thousand, nine hundred ninety-six".