49876286538 has 16 divisors (see below), whose sum is σ = 107425848096. Its totient is φ = 15346549680.

The previous prime is 49876286527. The next prime is 49876286561. The reversal of 49876286538 is 83568267894.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319719708 + ... + 319719863.

It is an arithmetic number, because the mean of its divisors is an integer number (6714115506).

Almost surely, 2^49876286538 is an apocalyptic number.

49876286538 is an abundant number, since it is smaller than the sum of its proper divisors (57549561558).

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

49876286538 is a wasteful number, since it uses less digits than its factorization.

49876286538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639439589.

The product of its digits is 139345920, while the sum is 66.

The spelling of 49876286538 in words is "forty-nine billion, eight hundred seventy-six million, two hundred eighty-six thousand, five hundred thirty-eight".