9008564544 has 504 divisors, whose sum is σ = 32116836960. Its totient is φ = 2400233472.

The previous prime is 9008564459. The next prime is 9008564573. The reversal of 9008564544 is 4454658009.

It is a tau number, because it is divible by the number of its divisors (504).

It is a self number, because there is not a number n which added to its sum of digits gives 9008564544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 57379314 + ... + 57379470.

Almost surely, 2^9008564544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9008564544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16058418480).

9008564544 is an abundant number, since it is smaller than the sum of its proper divisors (23108272416).

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

9008564544 is a wasteful number, since it uses less digits than its factorization.

9008564544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 9008564544 is about 94913.4581816509. The cubic root of 9008564544 is about 2080.7434275485.

The spelling of 9008564544 in words is "nine billion, eight million, five hundred sixty-four thousand, five hundred forty-four".