49640231984 has 40 divisors (see below), whose sum is σ = 109979746560. Its totient is φ = 21262367808.

The previous prime is 49640231947. The next prime is 49640232001. The reversal of 49640231984 is 48913204694.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75407 + ... + 323985.

It is an arithmetic number, because the mean of its divisors is an integer number (2749493664).

Almost surely, 2^49640231984 is an apocalyptic number.

It is an amenable number.

49640231984 is an abundant number, since it is smaller than the sum of its proper divisors (60339514576).

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

49640231984 is a wasteful number, since it uses less digits than its factorization.

49640231984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250377 (or 250371 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 49640231984 in words is "forty-nine billion, six hundred forty million, two hundred thirty-one thousand, nine hundred eighty-four".