6427418256 has 80 divisors (see below), whose sum is σ = 21084662400. Its totient is φ = 1836404352.

The previous prime is 6427418227. The next prime is 6427418267. The reversal of 6427418256 is 6528147246.

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, 1059711 + ... + 1065758.

It is an arithmetic number, because the mean of its divisors is an integer number (263558280).

Almost surely, 2^6427418256 is an apocalyptic number.

It is an amenable number.

6427418256 is an abundant number, since it is smaller than the sum of its proper divisors (14657244144).

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

6427418256 is a wasteful number, since it uses less digits than its factorization.

6427418256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125493 (or 2125481 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 6427418256 is about 80171.1809567503. The cubic root of 6427418256 is about 1859.2830952050.

The spelling of 6427418256 in words is "six billion, four hundred twenty-seven million, four hundred eighteen thousand, two hundred fifty-six".