90919818894200 has 48 divisors (see below), whose sum is σ = 212174410203000. Its totient is φ = 36232730779520.

The previous prime is 90919818894199. The next prime is 90919818894241. The reversal of 90919818894200 is 249881891909.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844925930 + ... + 845033529.

Almost surely, 2^{90919818894200} is an apocalyptic number.

It is an amenable number.

90919818894200 is an abundant number, since it is smaller than the sum of its proper divisors (121254591308800).

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

90919818894200 is a wasteful number, since it uses less digits than its factorization.

90919818894200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689959744 (or 1689959735 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 68.

The spelling of 90919818894200 in words is "ninety trillion, nine hundred nineteen billion, eight hundred eighteen million, eight hundred ninety-four thousand, two hundred".