8990241561900 has 576 divisors, whose sum is σ = 29690466355200. Its totient is φ = 2333078691840.

The previous prime is 8990241561767. The next prime is 8990241561911. The reversal of 8990241561900 is 91651420998.

8990241561900 is a `hidden beast` number, since 8 + 9 + 9 + 0 + 2 + 4 + 15 + 619 + 0 + 0 = 666.

It is a super-2 number, since 2×8990241561900² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6062198559 + ... + 6062200041.

Almost surely, 2^{8990241561900} 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 8990241561900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14845233177600).

8990241561900 is an abundant number, since it is smaller than the sum of its proper divisors (20700224793300).

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

8990241561900 is a wasteful number, since it uses less digits than its factorization.

8990241561900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 8990241561900 in words is "eight trillion, nine hundred ninety billion, two hundred forty-one million, five hundred sixty-one thousand, nine hundred".