49711862820 has 96 divisors (see below), whose sum is σ = 149170791168. Its totient is φ = 12337408512.

The previous prime is 49711862813. The next prime is 49711862897. The reversal of 49711862820 is 2826811794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49711862820.

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, 435739 + ... + 537858.

It is an arithmetic number, because the mean of its divisors is an integer number (1553862408).

Almost surely, 2^49711862820 is an apocalyptic number.

It is an amenable number.

49711862820 is an abundant number, since it is smaller than the sum of its proper divisors (99458928348).

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

49711862820 is a wasteful number, since it uses less digits than its factorization.

49711862820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973669 (or 973667 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 49711862820 in words is "forty-nine billion, seven hundred eleven million, eight hundred sixty-two thousand, eight hundred twenty".