656040248 has 16 divisors (see below), whose sum is σ = 1242255960. Its totient is φ = 324772000.

The previous prime is 656040223. The next prime is 656040277. The reversal of 656040248 is 842040656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405158 + ... + 406773.

Almost surely, 2^656040248 is an apocalyptic number.

It is an amenable number.

656040248 is a deficient number, since it is larger than the sum of its proper divisors (586215712).

656040248 is a wasteful number, since it uses less digits than its factorization.

656040248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812038 (or 812034 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 656040248 is about 25613.2826478763. The cubic root of 656040248 is about 868.9140667792.

The spelling of 656040248 in words is "six hundred fifty-six million, forty thousand, two hundred forty-eight".