2644675848 has 24 divisors (see below), whose sum is σ = 7162663950. Its totient is φ = 881558592.

The previous prime is 2644675837. The next prime is 2644675867. The reversal of 2644675848 is 8485764462.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2508206724 + 136469124 = 50082^2 + 11682^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 2644675794 and 2644675803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18365733 + ... + 18365876.

Almost surely, 2^2644675848 is an apocalyptic number.

It is an amenable number.

2644675848 is an abundant number, since it is smaller than the sum of its proper divisors (4517988102).

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

2644675848 is a wasteful number, since it uses less digits than its factorization.

2644675848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36731621 (or 36731614 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The square root of 2644675848 is about 51426.4119689484. The cubic root of 2644675848 is about 1382.9001265785.

The spelling of 2644675848 in words is "two billion, six hundred forty-four million, six hundred seventy-five thousand, eight hundred forty-eight".