4440220564 has 24 divisors (see below), whose sum is σ = 8731941120. Its totient is φ = 1960230624.

The previous prime is 4440220559. The next prime is 4440220619. The reversal of 4440220564 is 4650220444.

It is a happy number.

It is a congruent number.

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, 1855084 + ... + 1857475.

It is an arithmetic number, because the mean of its divisors is an integer number (363830880).

Almost surely, 2^4440220564 is an apocalyptic number.

It is an amenable number.

4440220564 is a deficient number, since it is larger than the sum of its proper divisors (4291720556).

4440220564 is a wasteful number, since it uses less digits than its factorization.

4440220564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712599 (or 3712597 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 4440220564 is about 66634.9800330127. The cubic root of 4440220564 is about 1643.6203685518.

The spelling of 4440220564 in words is "four billion, four hundred forty million, two hundred twenty thousand, five hundred sixty-four".