500111343440 has 40 divisors (see below), whose sum is σ = 1231156457640. Its totient is φ = 188277211136.

The previous prime is 500111343421. The next prime is 500111343499. The reversal of 500111343440 is 44343111005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 90849193744 + 409262149696 = 301412^2 + 639736^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×500111343440² (a number of 24 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 7 ways as a sum of consecutive naturals, for example, 183863105 + ... + 183865824.

It is an arithmetic number, because the mean of its divisors is an integer number (30778911441).

Almost surely, 2^500111343440 is an apocalyptic number.

It is an amenable number.

500111343440 is an abundant number, since it is smaller than the sum of its proper divisors (731045114200).

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

500111343440 is a wasteful number, since it uses less digits than its factorization.

500111343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367728959 (or 367728953 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 500111343440 its reverse (44343111005), we get a palindrome (544454454445).

The spelling of 500111343440 in words is "five hundred billion, one hundred eleven million, three hundred forty-three thousand, four hundred forty".