504784717320 has 128 divisors (see below), whose sum is σ = 1631429331840. Its totient is φ = 124210022400.

The previous prime is 504784717313. The next prime is 504784717369. The reversal of 504784717320 is 23717487405.

It is a super-2 number, since 2×504784717320² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 504784717320.

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, 4390812 + ... + 4504308.

It is an arithmetic number, because the mean of its divisors is an integer number (12745541655).

Almost surely, 2^504784717320 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 504784717320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815714665920).

504784717320 is an abundant number, since it is smaller than the sum of its proper divisors (1126644614520).

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

504784717320 is a wasteful number, since it uses less digits than its factorization.

504784717320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116375 (or 116371 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 504784717320 in words is "five hundred four billion, seven hundred eighty-four million, seven hundred seventeen thousand, three hundred twenty".