5206640704 has 14 divisors (see below), whose sum is σ = 10331927774. Its totient is φ = 2603320320.

The previous prime is 5206640687. The next prime is 5206640707. The reversal of 5206640704 is 4070466025.

It can be written as a sum of positive squares in only one way, i.e., 3834086400 + 1372554304 = 61920^2 + 37048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5206640704.

It is not an unprimeable number, because it can be changed into a prime (5206640707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40676817 + ... + 40676944.

It is an arithmetic number, because the mean of its divisors is an integer number (737994841).

Almost surely, 2^5206640704 is an apocalyptic number.

It is an amenable number.

5206640704 is a deficient number, since it is larger than the sum of its proper divisors (5125287070).

5206640704 is an equidigital number, since it uses as much as digits as its factorization.

5206640704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81353773 (or 81353763 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 5206640704 is about 72157.0558157690. The cubic root of 5206640704 is about 1733.2153889503.

The spelling of 5206640704 in words is "five billion, two hundred six million, six hundred forty thousand, seven hundred four".