6257757648 has 20 divisors (see below), whose sum is σ = 16165874048. Its totient is φ = 2085919200.

The previous prime is 6257757643. The next prime is 6257757703. The reversal of 6257757648 is 8467577526.

It is a super-2 number, since 2×6257757648² = 78319061562204983808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6257757643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65184928 + ... + 65185023.

Almost surely, 2^6257757648 is an apocalyptic number.

It is an amenable number.

6257757648 is an abundant number, since it is smaller than the sum of its proper divisors (9908116400).

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

6257757648 is a wasteful number, since it uses less digits than its factorization.

6257757648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130369962 (or 130369956 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 57.

The square root of 6257757648 is about 79105.9899628340. The cubic root of 6257757648 is about 1842.7775520735. Note that the first 3 decimals are identical.

The spelling of 6257757648 in words is "six billion, two hundred fifty-seven million, seven hundred fifty-seven thousand, six hundred forty-eight".