49708242864 has 480 divisors, whose sum is σ = 171891498240. Its totient is φ = 13704671232.

The previous prime is 49708242841. The next prime is 49708242931. The reversal of 49708242864 is 46824280794.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 49708242864.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 88291447 + ... + 88292009.

It is an arithmetic number, because the mean of its divisors is an integer number (358107288).

Almost surely, 2^49708242864 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 49708242864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85945749120).

49708242864 is an abundant number, since it is smaller than the sum of its proper divisors (122183255376).

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

49708242864 is a wasteful number, since it uses less digits than its factorization.

49708242864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 49708242864 in words is "forty-nine billion, seven hundred eight million, two hundred forty-two thousand, eight hundred sixty-four".