50400513180 has 144 divisors (see below), whose sum is σ = 160678103040. Its totient is φ = 12763149696.

The previous prime is 50400513179. The next prime is 50400513301. The reversal of 50400513180 is 8131500405.

50400513180 is a `hidden beast` number, since 50 + 400 + 5 + 131 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 531669 + ... + 619251.

It is an arithmetic number, because the mean of its divisors is an integer number (1115820160).

Almost surely, 2^50400513180 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 50400513180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80339051520).

50400513180 is an abundant number, since it is smaller than the sum of its proper divisors (110277589860).

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

50400513180 is a wasteful number, since it uses less digits than its factorization.

50400513180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87760 (or 87755 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 50400513180 in words is "fifty billion, four hundred million, five hundred thirteen thousand, one hundred eighty".