500538778340 has 48 divisors (see below), whose sum is σ = 1104194246400. Its totient is φ = 190225157760.

The previous prime is 500538778339. The next prime is 500538778387. The reversal of 500538778340 is 43877835005.

It is a happy number.

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, 3582896 + ... + 3719975.

It is an arithmetic number, because the mean of its divisors is an integer number (23004046800).

Almost surely, 2^500538778340 is an apocalyptic number.

It is an amenable number.

500538778340 is an abundant number, since it is smaller than the sum of its proper divisors (603655468060).

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

500538778340 is a wasteful number, since it uses less digits than its factorization.

500538778340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303052 (or 7303050 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 500538778340 in words is "five hundred billion, five hundred thirty-eight million, seven hundred seventy-eight thousand, three hundred forty".