6256974980 has 24 divisors (see below), whose sum is σ = 13255932312. Its totient is φ = 2480640512.

The previous prime is 6256974979. The next prime is 6256974991. The reversal of 6256974980 is 894796526.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 267453316 + 5989521664 = 16354^2 + 77392^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382027 + ... + 1386546.

It is an arithmetic number, because the mean of its divisors is an integer number (552330513).

Almost surely, 2^6256974980 is an apocalyptic number.

It is an amenable number.

6256974980 is an abundant number, since it is smaller than the sum of its proper divisors (6998957332).

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

6256974980 is a wasteful number, since it uses less digits than its factorization.

6256974980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768695 (or 2768693 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 6256974980 is about 79101.0428502684. The cubic root of 6256974980 is about 1842.7007224680.

The spelling of 6256974980 in words is "six billion, two hundred fifty-six million, nine hundred seventy-four thousand, nine hundred eighty".