49856772142 has 24 divisors (see below), whose sum is σ = 77852253816. Its totient is φ = 23937542928.

The previous prime is 49856772137. The next prime is 49856772167. The reversal of 49856772142 is 24127765894.

It is a congruent 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, 127693 + ... + 340615.

It is an arithmetic number, because the mean of its divisors is an integer number (3243843909).

Almost surely, 2^49856772142 is an apocalyptic number.

49856772142 is a deficient number, since it is larger than the sum of its proper divisors (27995481674).

49856772142 is a wasteful number, since it uses less digits than its factorization.

49856772142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213072 (or 213025 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The spelling of 49856772142 in words is "forty-nine billion, eight hundred fifty-six million, seven hundred seventy-two thousand, one hundred forty-two".