9440868864 has 320 divisors, whose sum is σ = 29698099200. Its totient is φ = 2609725440.

The previous prime is 9440868821. The next prime is 9440868919. The reversal of 9440868864 is 4688680449.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63361462 + ... + 63361610.

It is an arithmetic number, because the mean of its divisors is an integer number (92806560).

Almost surely, 2^9440868864 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 9440868864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14849049600).

9440868864 is an abundant number, since it is smaller than the sum of its proper divisors (20257230336).

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

9440868864 is a wasteful number, since it uses less digits than its factorization.

9440868864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 57.

The square root of 9440868864 is about 97164.1336296475. The cubic root of 9440868864 is about 2113.5084494558.

The spelling of 9440868864 in words is "nine billion, four hundred forty million, eight hundred sixty-eight thousand, eight hundred sixty-four".