2645502940 has 24 divisors (see below), whose sum is σ = 5882354352. Its totient is φ = 995953920.

The previous prime is 2645502919. The next prime is 2645502967. The reversal of 2645502940 is 492055462.

It is a self number, because there is not a number n which added to its sum of digits gives 2645502940.

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, 3890106 + ... + 3890785.

It is an arithmetic number, because the mean of its divisors is an integer number (245098098).

Almost surely, 2^2645502940 is an apocalyptic number.

2645502940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645502940 is an abundant number, since it is smaller than the sum of its proper divisors (3236851412).

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

2645502940 is a wasteful number, since it uses less digits than its factorization.

2645502940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780917 (or 7780915 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2645502940 is about 51434.4528502054. The cubic root of 2645502940 is about 1383.0442735972.

The spelling of 2645502940 in words is "two billion, six hundred forty-five million, five hundred two thousand, nine hundred forty".