5257648680 has 32 divisors (see below), whose sum is σ = 15772946400. Its totient is φ = 1402039616.

The previous prime is 5257648663. The next prime is 5257648691. The reversal of 5257648680 is 868467525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21906750 + ... + 21906989.

It is an arithmetic number, because the mean of its divisors is an integer number (492904575).

Almost surely, 2^5257648680 is an apocalyptic number.

It is an amenable number.

5257648680 is an abundant number, since it is smaller than the sum of its proper divisors (10515297720).

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

5257648680 is a wasteful number, since it uses less digits than its factorization.

5257648680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43813753 (or 43813749 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 5257648680 is about 72509.6454273499. The cubic root of 5257648680 is about 1738.8569451243.

The spelling of 5257648680 in words is "five billion, two hundred fifty-seven million, six hundred forty-eight thousand, six hundred eighty".