108990440794 has 8 divisors (see below), whose sum is σ = 167473116468. Its totient is φ = 53166068640.

The previous prime is 108990440789. The next prime is 108990440821. The reversal of 108990440794 is 497044099801.

It can be written as a sum of positive squares in 2 ways, for example, as 108990438769 + 2025 = 330137^2 + 45^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×108990440794³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664575777 + ... + 664575940.

Almost surely, 2^108990440794 is an apocalyptic number.

108990440794 is a deficient number, since it is larger than the sum of its proper divisors (58482675674).

108990440794 is a wasteful number, since it uses less digits than its factorization.

108990440794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329151760.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 108990440794 in words is "one hundred eight billion, nine hundred ninety million, four hundred forty thousand, seven hundred ninety-four".