6256479478992 has 80 divisors (see below), whose sum is σ = 16272053521920. Its totient is φ = 2071386023296.

The previous prime is 6256479478979. The next prime is 6256479479023. The reversal of 6256479478992 is 2998749746526.

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, 9980359 + ... + 10588697.

It is an arithmetic number, because the mean of its divisors is an integer number (203400669024).

Almost surely, 2^{6256479478992} is an apocalyptic number.

It is an amenable number.

6256479478992 is an abundant number, since it is smaller than the sum of its proper divisors (10015574042928).

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

6256479478992 is a wasteful number, since it uses less digits than its factorization.

6256479478992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609800 (or 609794 counting only the distinct ones).

The product of its digits is 3292047360, while the sum is 78.

The spelling of 6256479478992 in words is "six trillion, two hundred fifty-six billion, four hundred seventy-nine million, four hundred seventy-eight thousand, nine hundred ninety-two".