2640913470 has 80 divisors (see below), whose sum is σ = 7647393600. Its totient is φ = 650068416.

The previous prime is 2640913469. The next prime is 2640913489. The reversal of 2640913470 is 743190462.

2640913470 is a `hidden beast` number, since 2 + 640 + 9 + 1 + 3 + 4 + 7 + 0 = 666.

2640913470 is digitally balanced in base 2, because in such base 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 39 ways as a sum of consecutive naturals, for example, 114870 + ... + 135929.

It is an arithmetic number, because the mean of its divisors is an integer number (95592420).

Almost surely, 2^2640913470 is an apocalyptic number.

2640913470 is an abundant number, since it is smaller than the sum of its proper divisors (5006480130).

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

2640913470 is a wasteful number, since it uses less digits than its factorization.

2640913470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250831 (or 250822 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2640913470 is about 51389.8187387346. The cubic root of 2640913470 is about 1382.2440332847.

The spelling of 2640913470 in words is "two billion, six hundred forty million, nine hundred thirteen thousand, four hundred seventy".