8965798440 has 64 divisors (see below), whose sum is σ = 26905262400. Its totient is φ = 2390180352.

The previous prime is 8965798397. The next prime is 8965798469. The reversal of 8965798440 is 448975698.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 500356 + ... + 517964.

It is an arithmetic number, because the mean of its divisors is an integer number (420394725).

Almost surely, 2^8965798440 is an apocalyptic number.

It is an amenable number.

8965798440 is an abundant number, since it is smaller than the sum of its proper divisors (17939463960).

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

8965798440 is a wasteful number, since it uses less digits than its factorization.

8965798440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866 (or 21862 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The square root of 8965798440 is about 94687.9001773722. The cubic root of 8965798440 is about 2077.4455852789.

The spelling of 8965798440 in words is "eight billion, nine hundred sixty-five million, seven hundred ninety-eight thousand, four hundred forty".