49768191468 has 18 divisors (see below), whose sum is σ = 125802928524. Its totient is φ = 16589397144.

The previous prime is 49768191467. The next prime is 49768191491. The reversal of 49768191468 is 86419186794.

49768191468 is a `hidden beast` number, since 4 + 9 + 7 + 6 + 81 + 91 + 468 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (49768191467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691224846 + ... + 691224917.

Almost surely, 2^49768191468 is an apocalyptic number.

It is an amenable number.

49768191468 is an abundant number, since it is smaller than the sum of its proper divisors (76034737056).

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

49768191468 is a wasteful number, since it uses less digits than its factorization.

49768191468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382449773 (or 1382449768 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 49768191468 in words is "forty-nine billion, seven hundred sixty-eight million, one hundred ninety-one thousand, four hundred sixty-eight".