2600320604 has 24 divisors (see below), whose sum is σ = 5227880448. Its totient is φ = 1108586160.

The previous prime is 2600320559. The next prime is 2600320633. The reversal of 2600320604 is 4060230062.

It is a self number, because there is not a number n which added to its sum of digits gives 2600320604.

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, 237764 + ... + 248459.

It is an arithmetic number, because the mean of its divisors is an integer number (217828352).

Almost surely, 2^2600320604 is an apocalyptic number.

It is an amenable number.

2600320604 is an abundant number, since it is smaller than the sum of its proper divisors (2627559844).

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

2600320604 is a wasteful number, since it uses less digits than its factorization.

2600320604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486425 (or 486423 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2600320604 is about 50993.3388198890. The cubic root of 2600320604 is about 1375.1253843126.

Adding to 2600320604 its reverse (4060230062), we get a palindrome (6660550666).

The spelling of 2600320604 in words is "two billion, six hundred million, three hundred twenty thousand, six hundred four".