2640528060 has 48 divisors (see below), whose sum is σ = 7828392096. Its totient is φ = 662720512.

The previous prime is 2640528049. The next prime is 2640528073. The reversal of 2640528060 is 608250462.

2640528060 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent 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, 1293357 + ... + 1295396.

It is an arithmetic number, because the mean of its divisors is an integer number (163091502).

Almost surely, 2^2640528060 is an apocalyptic number.

2640528060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640528060 is an abundant number, since it is smaller than the sum of its proper divisors (5187864036).

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

2640528060 is a wasteful number, since it uses less digits than its factorization.

2640528060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588782 (or 2588780 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2640528060 is about 51386.0687346288. The cubic root of 2640528060 is about 1382.1767893057.

The spelling of 2640528060 in words is "two billion, six hundred forty million, five hundred twenty-eight thousand, sixty".