2645675800 has 48 divisors (see below), whose sum is σ = 6363320400. Its totient is φ = 1021776000.

The previous prime is 2645675797. The next prime is 2645675801. The reversal of 2645675800 is 85765462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645675801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222276 + ... + 233875.

It is an arithmetic number, because the mean of its divisors is an integer number (132569175).

Almost surely, 2^2645675800 is an apocalyptic number.

2645675800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645675800 is an abundant number, since it is smaller than the sum of its proper divisors (3717644600).

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

2645675800 is a wasteful number, since it uses less digits than its factorization.

2645675800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456196 (or 456187 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 2645675800 is about 51436.1332139188. The cubic root of 2645675800 is about 1383.0743961400.

The spelling of 2645675800 in words is "two billion, six hundred forty-five million, six hundred seventy-five thousand, eight hundred".