8664904940 has 48 divisors (see below), whose sum is σ = 18862919712. Its totient is φ = 3340740096.

The previous prime is 8664904921. The next prime is 8664904957. The reversal of 8664904940 is 494094668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24464 + ... + 133896.

It is an arithmetic number, because the mean of its divisors is an integer number (392977494).

Almost surely, 2^8664904940 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 8664904940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9431459856).

8664904940 is an abundant number, since it is smaller than the sum of its proper divisors (10198014772).

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

8664904940 is a wasteful number, since it uses less digits than its factorization.

8664904940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109586 (or 109584 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 8664904940 is about 93085.4711542032. The cubic root of 8664904940 is about 2053.9408579871.

The spelling of 8664904940 in words is "eight billion, six hundred sixty-four million, nine hundred four thousand, nine hundred forty".