49783964672 has 88 divisors (see below), whose sum is σ = 108533577600. Its totient is φ = 22685884416.

The previous prime is 49783964639. The next prime is 49783964719. The reversal of 49783964672 is 27646938794.

It is a junction number, because it is equal to n+sod(n) for n = 49783964599 and 49783964608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027979 + ... + 1075317.

Almost surely, 2^49783964672 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 49783964672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54266788800).

49783964672 is an abundant number, since it is smaller than the sum of its proper divisors (58749612928).

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

49783964672 is a wasteful number, since it uses less digits than its factorization.

49783964672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47451 (or 47433 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 65.

The spelling of 49783964672 in words is "forty-nine billion, seven hundred eighty-three million, nine hundred sixty-four thousand, six hundred seventy-two".