6400442445304 has 16 divisors (see below), whose sum is σ = 12279918645720. Its totient is φ = 3125797473120.

The previous prime is 6400442445301. The next prime is 6400442445311. The reversal of 6400442445304 is 4035442440046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400442445301) 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, 9302968327 + ... + 9302969014.

Almost surely, 2^{6400442445304} is an apocalyptic number.

It is an amenable number.

6400442445304 is a deficient number, since it is larger than the sum of its proper divisors (5879476200416).

6400442445304 is a wasteful number, since it uses less digits than its factorization.

6400442445304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18605937390 (or 18605937386 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

The spelling of 6400442445304 in words is "six trillion, four hundred billion, four hundred forty-two million, four hundred forty-five thousand, three hundred four".