6404402244604 has 48 divisors (see below), whose sum is σ = 13794567356416. Its totient is φ = 2533523313600.

The previous prime is 6404402244599. The next prime is 6404402244613. The reversal of 6404402244604 is 4064422044046.

It is a happy number.

It is a super-2 number, since 2×6404402244604² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10974469 + ... + 11543299.

Almost surely, 2^{6404402244604} is an apocalyptic number.

It is an amenable number.

6404402244604 is an abundant number, since it is smaller than the sum of its proper divisors (7390165111812).

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

6404402244604 is a wasteful number, since it uses less digits than its factorization.

6404402244604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599786 (or 599784 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 6404402244604 in words is "six trillion, four hundred four billion, four hundred two million, two hundred forty-four thousand, six hundred four".