667306400404 has 12 divisors (see below), whose sum is σ = 1334612800864. Its totient is φ = 285988457304.

The previous prime is 667306400401. The next prime is 667306400437. The reversal of 667306400404 is 404004603766.

667306400404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667306400401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11916185694 + ... + 11916185749.

Almost surely, 2^667306400404 is an apocalyptic number.

It is an amenable number.

667306400404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

667306400404 is a wasteful number, since it uses less digits than its factorization.

667306400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23832371454 (or 23832371452 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 667306400404 in words is "six hundred sixty-seven billion, three hundred six million, four hundred thousand, four hundred four".