49722779904 has 288 divisors, whose sum is σ = 160495534080. Its totient is φ = 13349339136.

The previous prime is 49722779903. The next prime is 49722779941. The reversal of 49722779904 is 40997722794.

It is not an unprimeable number, because it can be changed into a prime (49722779903) 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, 12970372 + ... + 12974204.

It is an arithmetic number, because the mean of its divisors is an integer number (557276160).

Almost surely, 2^49722779904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49722779904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80247767040).

49722779904 is an abundant number, since it is smaller than the sum of its proper divisors (110772754176).

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

49722779904 is a wasteful number, since it uses less digits than its factorization.

49722779904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 49722779904 in words is "forty-nine billion, seven hundred twenty-two million, seven hundred seventy-nine thousand, nine hundred four".