6440026264000 has 112 divisors (see below), whose sum is σ = 18227114493120. Its totient is φ = 2208008985600.

The previous prime is 6440026263947. The next prime is 6440026264033. The reversal of 6440026264000 is 4626200446.

It is a tau number, because it is divible by the number of its divisors (112).

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, 57444235 + ... + 57556234.

Almost surely, 2^{6440026264000} is an apocalyptic number.

It is an amenable number.

6440026264000 is an abundant number, since it is smaller than the sum of its proper divisors (11787088229120).

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

6440026264000 is a wasteful number, since it uses less digits than its factorization.

6440026264000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115000503 (or 115000483 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 6440026264000 in words is "six trillion, four hundred forty billion, twenty-six million, two hundred sixty-four thousand".