8998800040 has 72 divisors (see below), whose sum is σ = 20709710910. Its totient is φ = 3519125376.

The previous prime is 8998800029. The next prime is 8998800047. The reversal of 8998800040 is 400088998.

It can be written as a sum of positive squares in 3 ways, for example, as 8511538564 + 487261476 = 92258^2 + 22074^2 .

It is not an unprimeable number, because it can be changed into a prime (8998800047) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31797739 + ... + 31798021.

Almost surely, 2^8998800040 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 8998800040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10354855455).

8998800040 is an abundant number, since it is smaller than the sum of its proper divisors (11710910870).

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

8998800040 is an equidigital number, since it uses as much as digits as its factorization.

8998800040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 8998800040 is about 94862.0052497310. The cubic root of 8998800040 is about 2079.9913738548.

The spelling of 8998800040 in words is "eight billion, nine hundred ninety-eight million, eight hundred thousand, forty".