49831307904 has 384 divisors, whose sum is σ = 161728099200. Its totient is φ = 13313507328.

The previous prime is 49831307899. The next prime is 49831307947. The reversal of 49831307904 is 40970313894.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86362464 + ... + 86363040.

It is an arithmetic number, because the mean of its divisors is an integer number (421166925).

Almost surely, 2^49831307904 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 49831307904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80864049600).

49831307904 is an abundant number, since it is smaller than the sum of its proper divisors (111896791296).

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

49831307904 is a wasteful number, since it uses less digits than its factorization.

49831307904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 49831307904 in words is "forty-nine billion, eight hundred thirty-one million, three hundred seven thousand, nine hundred four".