4603564644 has 48 divisors (see below), whose sum is σ = 12922291200. Its totient is φ = 1246077216.

The previous prime is 4603564639. The next prime is 4603564681. The reversal of 4603564644 is 4464653064.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4603564596 and 4603564605.

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 15 ways as a sum of consecutive naturals, for example, 1440624 + ... + 1443815.

It is an arithmetic number, because the mean of its divisors is an integer number (269214400).

Almost surely, 2^4603564644 is an apocalyptic number.

It is an amenable number.

4603564644 is an abundant number, since it is smaller than the sum of its proper divisors (8318726556).

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

4603564644 is a wasteful number, since it uses less digits than its factorization.

4603564644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884472 (or 2884470 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The square root of 4603564644 is about 67849.5736464128. The cubic root of 4603564644 is about 1663.5329800889.

The spelling of 4603564644 in words is "four billion, six hundred three million, five hundred sixty-four thousand, six hundred forty-four".