8965890040 has 16 divisors (see below), whose sum is σ = 20173252680. Its totient is φ = 3586356000.

The previous prime is 8965890019. The next prime is 8965890047. The reversal of 8965890040 is 400985698.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8965890047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112073586 + ... + 112073665.

Almost surely, 2^8965890040 is an apocalyptic number.

It is an amenable number.

8965890040 is an abundant number, since it is smaller than the sum of its proper divisors (11207362640).

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

8965890040 is a wasteful number, since it uses less digits than its factorization.

8965890040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224147262 (or 224147258 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 8965890040 is about 94688.3838704622. The cubic root of 8965890040 is about 2077.4526600668.

The spelling of 8965890040 in words is "eight billion, nine hundred sixty-five million, eight hundred ninety thousand, forty".