49659661808 has 40 divisors (see below), whose sum is σ = 98862016176. Its totient is φ = 24151680000.

The previous prime is 49659661787. The next prime is 49659661819. The reversal of 49659661808 is 80816695694.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16058 + ... + 315558.

Almost surely, 2^49659661808 is an apocalyptic number.

It is an amenable number.

49659661808 is a deficient number, since it is larger than the sum of its proper divisors (49202354368).

49659661808 is a wasteful number, since it uses less digits than its factorization.

49659661808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299793 (or 299787 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 49659661808 in words is "forty-nine billion, six hundred fifty-nine million, six hundred sixty-one thousand, eight hundred eight".