8896172440 has 16 divisors (see below), whose sum is σ = 20016388080. Its totient is φ = 3558468960.

The previous prime is 8896172423. The next prime is 8896172447. The reversal of 8896172440 is 442716988.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8896172447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111202116 + ... + 111202195.

It is an arithmetic number, because the mean of its divisors is an integer number (1251024255).

Almost surely, 2^8896172440 is an apocalyptic number.

It is an amenable number.

8896172440 is an abundant number, since it is smaller than the sum of its proper divisors (11120215640).

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

8896172440 is a wasteful number, since it uses less digits than its factorization.

8896172440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222404322 (or 222404318 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 8896172440 is about 94319.5231116019. The cubic root of 8896172440 is about 2072.0539750056.

The spelling of 8896172440 in words is "eight billion, eight hundred ninety-six million, one hundred seventy-two thousand, four hundred forty".