49721238264 has 64 divisors (see below), whose sum is σ = 129824697600. Its totient is φ = 15838834176.

The previous prime is 49721238227. The next prime is 49721238271. The reversal of 49721238264 is 46283212794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579792 + ... + 660000.

It is an arithmetic number, because the mean of its divisors is an integer number (2028510900).

Almost surely, 2^49721238264 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 49721238264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64912348800).

49721238264 is an abundant number, since it is smaller than the sum of its proper divisors (80103459336).

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

49721238264 is a wasteful number, since it uses less digits than its factorization.

49721238264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81364 (or 81360 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The spelling of 49721238264 in words is "forty-nine billion, seven hundred twenty-one million, two hundred thirty-eight thousand, two hundred sixty-four".