8942165040 has 80 divisors (see below), whose sum is σ = 27745652736. Its totient is φ = 2382432000.

The previous prime is 8942165033. The next prime is 8942165041. The reversal of 8942165040 is 405612498.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 8942165040.

It is not an unprimeable number, because it can be changed into a prime (8942165041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260055 + ... + 292425.

Almost surely, 2^8942165040 is an apocalyptic number.

8942165040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8942165040 is an abundant number, since it is smaller than the sum of its proper divisors (18803487696).

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

8942165040 is a wasteful number, since it uses less digits than its factorization.

8942165040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33538 (or 33532 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 8942165040 is about 94563.0215253299. The cubic root of 8942165040 is about 2075.6186312422.

The spelling of 8942165040 in words is "eight billion, nine hundred forty-two million, one hundred sixty-five thousand, forty".