49640133908 has 12 divisors (see below), whose sum is σ = 87252924192. Its totient is φ = 24710727000.

The previous prime is 49640133877. The next prime is 49640133923. The reversal of 49640133908 is 80933104694.

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 3 ways as a sum of consecutive naturals, for example, 27333968 + ... + 27335783.

It is an arithmetic number, because the mean of its divisors is an integer number (7271077016).

Almost surely, 2^49640133908 is an apocalyptic number.

It is an amenable number.

49640133908 is a deficient number, since it is larger than the sum of its proper divisors (37612790284).

49640133908 is a wasteful number, since it uses less digits than its factorization.

49640133908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54669982 (or 54669980 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 49640133908 in words is "forty-nine billion, six hundred forty million, one hundred thirty-three thousand, nine hundred eight".