4566380644 has 24 divisors (see below), whose sum is σ = 9148787648. Its totient is φ = 1953586080.

The previous prime is 4566380627. The next prime is 4566380653. The reversal of 4566380644 is 4460836654.

It is a junction number, because it is equal to n+sod(n) for n = 4566380594 and 4566380603.

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, 126819 + ... + 158794.

Almost surely, 2^4566380644 is an apocalyptic number.

It is an amenable number.

4566380644 is an abundant number, since it is smaller than the sum of its proper divisors (4582407004).

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

4566380644 is a wasteful number, since it uses less digits than its factorization.

4566380644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286195 (or 286193 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The square root of 4566380644 is about 67575.0001405845. Note that the first 3 decimals coincide. The cubic root of 4566380644 is about 1659.0419598916.

The spelling of 4566380644 in words is "four billion, five hundred sixty-six million, three hundred eighty thousand, six hundred forty-four".