49661118680 has 16 divisors (see below), whose sum is σ = 111737517120. Its totient is φ = 19864447456.

The previous prime is 49661118659. The next prime is 49661118697. The reversal of 49661118680 is 8681116694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620763944 + ... + 620764023.

It is an arithmetic number, because the mean of its divisors is an integer number (6983594820).

Almost surely, 2^49661118680 is an apocalyptic number.

49661118680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49661118680 is an abundant number, since it is smaller than the sum of its proper divisors (62076398440).

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

49661118680 is a wasteful number, since it uses less digits than its factorization.

49661118680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241527978 (or 1241527974 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 49661118680 in words is "forty-nine billion, six hundred sixty-one million, one hundred eighteen thousand, six hundred eighty".