2515322660 has 12 divisors (see below), whose sum is σ = 5282177628. Its totient is φ = 1006129056.

The previous prime is 2515322659. The next prime is 2515322699. The reversal of 2515322660 is 662235152.

2515322660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1361905216 + 1153417444 = 36904^2 + 33962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62883047 + ... + 62883086.

It is an arithmetic number, because the mean of its divisors is an integer number (440181469).

Almost surely, 2^2515322660 is an apocalyptic number.

2515322660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515322660 is an abundant number, since it is smaller than the sum of its proper divisors (2766854968).

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

2515322660 is a wasteful number, since it uses less digits than its factorization.

2515322660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125766142 (or 125766140 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2515322660 is about 50152.9925328489. The cubic root of 2515322660 is about 1359.9759691544.

The spelling of 2515322660 in words is "two billion, five hundred fifteen million, three hundred twenty-two thousand, six hundred sixty".