50736018864188 has 72 divisors (see below), whose sum is σ = 105243108969600. Its totient is φ = 21331652614272.

The previous prime is 50736018864043. The next prime is 50736018864197. The reversal of 50736018864188 is 88146881063705.

It is a super-2 number, since 2×50736018864188² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108102293 + ... + 108570611.

It is an arithmetic number, because the mean of its divisors is an integer number (1461709846800).

Almost surely, 2^{50736018864188} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50736018864188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52621554484800).

50736018864188 is an abundant number, since it is smaller than the sum of its proper divisors (54507090105412).

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

50736018864188 is a wasteful number, since it uses less digits than its factorization.

50736018864188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478819 (or 478810 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 50736018864188 in words is "fifty trillion, seven hundred thirty-six billion, eighteen million, eight hundred sixty-four thousand, one hundred eighty-eight".