49864516464 has 160 divisors (see below), whose sum is σ = 151769571840. Its totient is φ = 13813272576.

The previous prime is 49864516453. The next prime is 49864516529. The reversal of 49864516464 is 46461546894.

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, 1429924 + ... + 1464380.

It is an arithmetic number, because the mean of its divisors is an integer number (948559824).

Almost surely, 2^49864516464 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 49864516464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75884785920).

49864516464 is an abundant number, since it is smaller than the sum of its proper divisors (101905055376).

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

49864516464 is a wasteful number, since it uses less digits than its factorization.

49864516464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34607 (or 34601 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The spelling of 49864516464 in words is "forty-nine billion, eight hundred sixty-four million, five hundred sixteen thousand, four hundred sixty-four".