6400826279264 has 24 divisors (see below), whose sum is σ = 12639698138088. Its totient is φ = 3190744212480.

The previous prime is 6400826279233. The next prime is 6400826279291. The reversal of 6400826279264 is 4629726280046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302143217 + ... + 302164400.

It is an arithmetic number, because the mean of its divisors is an integer number (526654089087).

Almost surely, 2^{6400826279264} is an apocalyptic number.

It is an amenable number.

6400826279264 is a deficient number, since it is larger than the sum of its proper divisors (6238871858824).

6400826279264 is a wasteful number, since it uses less digits than its factorization.

6400826279264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604307958 (or 604307950 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 6400826279264 in words is "six trillion, four hundred billion, eight hundred twenty-six million, two hundred seventy-nine thousand, two hundred sixty-four".