674040256 has 28 divisors (see below), whose sum is σ = 1338500752. Its totient is φ = 336780288.

The previous prime is 674040253. The next prime is 674040299. The reversal of 674040256 is 652040476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674040251) 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, 117061 + ... + 122683.

Almost surely, 2^674040256 is an apocalyptic number.

It is an amenable number.

674040256 is a deficient number, since it is larger than the sum of its proper divisors (664460496).

674040256 is a wasteful number, since it uses less digits than its factorization.

674040256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508 (or 7498 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 674040256 is about 25962.2852615096. The cubic root of 674040256 is about 876.7893748601.

The spelling of 674040256 in words is "six hundred seventy-four million, forty thousand, two hundred fifty-six".