6438056269504 has 42 divisors (see below), whose sum is σ = 13448098409820. Its totient is φ = 3049563689856.

The previous prime is 6438056269441. The next prime is 6438056269573. The reversal of 6438056269504 is 4059626508346.

It is a super-2 number, since 2×6438056269504² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88443427 + ... + 88516189.

Almost surely, 2^{6438056269504} is an apocalyptic number.

6438056269504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6438056269504 is an abundant number, since it is smaller than the sum of its proper divisors (7010042140316).

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

6438056269504 is an frugal number, since it uses more digits than its factorization.

6438056269504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145557 (or 72784 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 6438056269504 in words is "six trillion, four hundred thirty-eight billion, fifty-six million, two hundred sixty-nine thousand, five hundred four".