6257655402 has 16 divisors (see below), whose sum is σ = 13059455040. Its totient is φ = 1995194432.

The previous prime is 6257655389. The next prime is 6257655403. The reversal of 6257655402 is 2045567526.

It is a super-2 number, since 2×6257655402² = 78316502260359563208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6257655403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22672527 + ... + 22672802.

It is an arithmetic number, because the mean of its divisors is an integer number (816215940).

Almost surely, 2^6257655402 is an apocalyptic number.

6257655402 is an abundant number, since it is smaller than the sum of its proper divisors (6801799638).

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

6257655402 is a wasteful number, since it uses less digits than its factorization.

6257655402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45345357.

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 6257655402 is about 79105.3437006629. The cubic root of 6257655402 is about 1842.7675155892.

The spelling of 6257655402 in words is "six billion, two hundred fifty-seven million, six hundred fifty-five thousand, four hundred two".