6402424756 has 48 divisors (see below), whose sum is σ = 14515634560. Its totient is φ = 2399518080.

The previous prime is 6402424727. The next prime is 6402424771. The reversal of 6402424756 is 6574242046.

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, 455955 + ... + 469786.

Almost surely, 2^6402424756 is an apocalyptic number.

It is an amenable number.

6402424756 is an abundant number, since it is smaller than the sum of its proper divisors (8113209804).

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

6402424756 is a wasteful number, since it uses less digits than its factorization.

6402424756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925784 (or 925782 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The square root of 6402424756 is about 80015.1532898613. The cubic root of 6402424756 is about 1856.8699771810.

The spelling of 6402424756 in words is "six billion, four hundred two million, four hundred twenty-four thousand, seven hundred fifty-six".