49431717984 has 48 divisors (see below), whose sum is σ = 141554468160. Its totient is φ = 14979308160.

The previous prime is 49431717953. The next prime is 49431717997. The reversal of 49431717984 is 48971713494.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 23404114 + ... + 23406225.

It is an arithmetic number, because the mean of its divisors is an integer number (2949051420).

Almost surely, 2^49431717984 is an apocalyptic number.

49431717984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49431717984 is an abundant number, since it is smaller than the sum of its proper divisors (92122750176).

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

49431717984 is a wasteful number, since it uses less digits than its factorization.

49431717984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810363 (or 46810355 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The spelling of 49431717984 in words is "forty-nine billion, four hundred thirty-one million, seven hundred seventeen thousand, nine hundred eighty-four".