6257406474 has 48 divisors (see below), whose sum is σ = 15032725344. Its totient is φ = 1865095200.

The previous prime is 6257406443. The next prime is 6257406487. The reversal of 6257406474 is 4746047526.

6257406474 is a `hidden beast` number, since 6 + 2 + 574 + 0 + 6 + 4 + 74 = 666.

It is a super-2 number, since 2×6257406474² = 78310271561714225352, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246964 + ... + 271119.

It is an arithmetic number, because the mean of its divisors is an integer number (313181778).

Almost surely, 2^6257406474 is an apocalyptic number.

6257406474 is an abundant number, since it is smaller than the sum of its proper divisors (8775318870).

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

6257406474 is a wasteful number, since it uses less digits than its factorization.

6257406474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518163 (or 518160 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 6257406474 is about 79103.7702894116. The cubic root of 6257406474 is about 1842.7430803183.

The spelling of 6257406474 in words is "six billion, two hundred fifty-seven million, four hundred six thousand, four hundred seventy-four".