49636261338 has 32 divisors (see below), whose sum is σ = 99510016320. Its totient is φ = 16505888640.

The previous prime is 49636261327. The next prime is 49636261369. The reversal of 49636261338 is 83316263694.

It is a happy number.

It is a super-2 number, since 2×49636261338² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4562181 + ... + 4573047.

It is an arithmetic number, because the mean of its divisors is an integer number (3109688010).

Almost surely, 2^49636261338 is an apocalyptic number.

49636261338 is an abundant number, since it is smaller than the sum of its proper divisors (49873754982).

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

49636261338 is a wasteful number, since it uses less digits than its factorization.

49636261338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12622.

The product of its digits is 3359232, while the sum is 51.

The spelling of 49636261338 in words is "forty-nine billion, six hundred thirty-six million, two hundred sixty-one thousand, three hundred thirty-eight".