49996112640 has 288 divisors, whose sum is σ = 163773259776. Its totient is φ = 12993576960.

The previous prime is 49996112597. The next prime is 49996112641. The reversal of 49996112640 is 4621169994.

It is a super-2 number, since 2×49996112640² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49996112641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33987105 + ... + 33988575.

It is an arithmetic number, because the mean of its divisors is an integer number (568657152).

Almost surely, 2^49996112640 is an apocalyptic number.

49996112640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49996112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81886629888).

49996112640 is an abundant number, since it is smaller than the sum of its proper divisors (113777147136).

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

49996112640 is a wasteful number, since it uses less digits than its factorization.

49996112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 49996112640 in words is "forty-nine billion, nine hundred ninety-six million, one hundred twelve thousand, six hundred forty".