8997100240 has 40 divisors (see below), whose sum is σ = 21593046528. Its totient is φ = 3482747520.

The previous prime is 8997100223. The next prime is 8997100283. The reversal of 8997100240 is 420017998.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8997100193 and 8997100202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811452 + ... + 1816411.

Almost surely, 2^8997100240 is an apocalyptic number.

8997100240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8997100240 is an abundant number, since it is smaller than the sum of its proper divisors (12595946288).

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

8997100240 is a wasteful number, since it uses less digits than its factorization.

8997100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627907 (or 3627901 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 8997100240 is about 94853.0454967051. The cubic root of 8997100240 is about 2079.8604011340.

The spelling of 8997100240 in words is "eight billion, nine hundred ninety-seven million, one hundred thousand, two hundred forty".