6425872056 has 24 divisors (see below), whose sum is σ = 17403403680. Its totient is φ = 2141957328.

The previous prime is 6425872049. The next prime is 6425872069. The reversal of 6425872056 is 6502785246.

6425872056 is a `hidden beast` number, since 6 + 42 + 587 + 20 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 44624040 + ... + 44624183.

It is an arithmetic number, because the mean of its divisors is an integer number (725141820).

Almost surely, 2^6425872056 is an apocalyptic number.

It is an amenable number.

6425872056 is an abundant number, since it is smaller than the sum of its proper divisors (10977531624).

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

6425872056 is a wasteful number, since it uses less digits than its factorization.

6425872056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89248235 (or 89248228 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 6425872056 is about 80161.5372607088. The cubic root of 6425872056 is about 1859.1339915803.

The spelling of 6425872056 in words is "six billion, four hundred twenty-five million, eight hundred seventy-two thousand, fifty-six".