49471869020 has 72 divisors (see below), whose sum is σ = 127213425360. Its totient is φ = 16069052160.

The previous prime is 49471869019. The next prime is 49471869047. The reversal of 49471869020 is 2096817494.

It is a self number, because there is not a number n which added to its sum of digits gives 49471869020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1309841 + ... + 1347080.

It is an arithmetic number, because the mean of its divisors is an integer number (1766853130).

Almost surely, 2^49471869020 is an apocalyptic number.

It is an amenable number.

49471869020 is an abundant number, since it is smaller than the sum of its proper divisors (77741556340).

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

49471869020 is a wasteful number, since it uses less digits than its factorization.

49471869020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656963 (or 2656954 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 49471869020 in words is "forty-nine billion, four hundred seventy-one million, eight hundred sixty-nine thousand, twenty".