2645670180 has 24 divisors (see below), whose sum is σ = 7407876672. Its totient is φ = 705512032.

The previous prime is 2645670173. The next prime is 2645670187. The reversal of 2645670180 is 810765462.

2645670180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2645670173) and next prime (2645670187).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2645670187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22047192 + ... + 22047311.

It is an arithmetic number, because the mean of its divisors is an integer number (308661528).

Almost surely, 2^2645670180 is an apocalyptic number.

2645670180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645670180 is an abundant number, since it is smaller than the sum of its proper divisors (4762206492).

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

2645670180 is a wasteful number, since it uses less digits than its factorization.

2645670180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44094515 (or 44094513 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 2645670180 is about 51436.0785830335. The cubic root of 2645670180 is about 1383.0734168207.

The spelling of 2645670180 in words is "two billion, six hundred forty-five million, six hundred seventy thousand, one hundred eighty".