49277364138 has 24 divisors (see below), whose sum is σ = 106850374176. Its totient is φ = 16413057000.

The previous prime is 49277364067. The next prime is 49277364151. The reversal of 49277364138 is 83146377294.

49277364138 is a `hidden beast` number, since 4 + 9 + 277 + 364 + 1 + 3 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1037038 + ... + 1083513.

It is an arithmetic number, because the mean of its divisors is an integer number (4452098924).

Almost surely, 2^49277364138 is an apocalyptic number.

49277364138 is an abundant number, since it is smaller than the sum of its proper divisors (57573010038).

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

49277364138 is a wasteful number, since it uses less digits than its factorization.

49277364138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121850 (or 2121847 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 49277364138 in words is "forty-nine billion, two hundred seventy-seven million, three hundred sixty-four thousand, one hundred thirty-eight".