49639508832 has 192 divisors, whose sum is σ = 138862080000. Its totient is φ = 15482700288.

The previous prime is 49639508747. The next prime is 49639508873. The reversal of 49639508832 is 23880593694.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 59164669 + ... + 59165507.

It is an arithmetic number, because the mean of its divisors is an integer number (723240000).

Almost surely, 2^49639508832 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 49639508832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69431040000).

49639508832 is an abundant number, since it is smaller than the sum of its proper divisors (89222571168).

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

49639508832 is a wasteful number, since it uses less digits than its factorization.

49639508832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 49639508832 in words is "forty-nine billion, six hundred thirty-nine million, five hundred eight thousand, eight hundred thirty-two".