6404534202256 has 40 divisors (see below), whose sum is σ = 12459040836224. Its totient is φ = 3189306337920.

The previous prime is 6404534202229. The next prime is 6404534202277. The reversal of 6404534202256 is 6522024354046.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11890330 + ... + 12417286.

Almost surely, 2^{6404534202256} is an apocalyptic number.

It is an amenable number.

6404534202256 is a deficient number, since it is larger than the sum of its proper divisors (6054506633968).

6404534202256 is a wasteful number, since it uses less digits than its factorization.

6404534202256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530039 (or 530033 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 6404534202256 in words is "six trillion, four hundred four billion, five hundred thirty-four million, two hundred two thousand, two hundred fifty-six".