49644721104 has 160 divisors (see below), whose sum is σ = 150226099200. Its totient is φ = 13959321600.

The previous prime is 49644721069. The next prime is 49644721111. The reversal of 49644721104 is 40112744694.

It is a happy number.

49644721104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598347 + ... + 676245.

It is an arithmetic number, because the mean of its divisors is an integer number (938913120).

Almost surely, 2^49644721104 is an apocalyptic number.

49644721104 is a gapful number since it is divisible by the number (44) 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 49644721104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75113049600).

49644721104 is an abundant number, since it is smaller than the sum of its proper divisors (100581378096).

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

49644721104 is a wasteful number, since it uses less digits than its factorization.

49644721104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78009 (or 78003 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 49644721104 in words is "forty-nine billion, six hundred forty-four million, seven hundred twenty-one thousand, one hundred four".