6400364504 has 8 divisors (see below), whose sum is σ = 12000683460. Its totient is φ = 3200182248.

The previous prime is 6400364471. The next prime is 6400364513. The reversal of 6400364504 is 4054630046.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400022774 + ... + 400022789.

Almost surely, 2^6400364504 is an apocalyptic number.

It is an amenable number.

6400364504 is a deficient number, since it is larger than the sum of its proper divisors (5600318956).

6400364504 is a wasteful number, since it uses less digits than its factorization.

6400364504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800045569 (or 800045565 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 6400364504 is about 80002.2781175636. The cubic root of 6400364504 is about 1856.6707802280.

The spelling of 6400364504 in words is "six billion, four hundred million, three hundred sixty-four thousand, five hundred four".