500356204102640 has 160 divisors (see below), whose sum is σ = 1215083605671936. Its totient is φ = 191255232199680.

The previous prime is 500356204102637. The next prime is 500356204102679. The reversal of 500356204102640 is 46201402653005.

It is a junction number, because it is equal to n+sod(n) for n = 500356204102594 and 500356204102603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18461271329 + ... + 18461298431.

Almost surely, 2^{500356204102640} 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 500356204102640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607541802835968).

500356204102640 is an abundant number, since it is smaller than the sum of its proper divisors (714727401569296).

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

500356204102640 is a wasteful number, since it uses less digits than its factorization.

500356204102640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36487 (or 36481 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 500356204102640 its reverse (46201402653005), we get a palindrome (546557606755645).

The spelling of 500356204102640 in words is "five hundred trillion, three hundred fifty-six billion, two hundred four million, one hundred two thousand, six hundred forty".