49982372646 has 36 divisors (see below), whose sum is σ = 101026162692. Its totient is φ = 16485733104.

The previous prime is 49982372641. The next prime is 49982372647. The reversal of 49982372646 is 64627328994.

It is a self number, because there is not a number n which added to its sum of digits gives 49982372646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49982372641) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58595556 + ... + 58596408.

It is an arithmetic number, because the mean of its divisors is an integer number (2806282297).

Almost surely, 2^49982372646 is an apocalyptic number.

49982372646 is an abundant number, since it is smaller than the sum of its proper divisors (51043790046).

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

49982372646 is an frugal number, since it uses more digits than its factorization.

49982372646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 965 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 60.

The spelling of 49982372646 in words is "forty-nine billion, nine hundred eighty-two million, three hundred seventy-two thousand, six hundred forty-six".