2640460260 has 48 divisors (see below), whose sum is σ = 7714740096. Its totient is φ = 673508352.

The previous prime is 2640460243. The next prime is 2640460307. The reversal of 2640460260 is 620640462.

2640460260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 955309 + ... + 958068.

It is an arithmetic number, because the mean of its divisors is an integer number (160723752).

Almost surely, 2^2640460260 is an apocalyptic number.

2640460260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640460260 is an abundant number, since it is smaller than the sum of its proper divisors (5074279836).

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

2640460260 is a wasteful number, since it uses less digits than its factorization.

2640460260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913412 (or 1913410 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2640460260 is about 51385.4090185142. The cubic root of 2640460260 is about 1382.1649592997.

The spelling of 2640460260 in words is "two billion, six hundred forty million, four hundred sixty thousand, two hundred sixty".