108944291520 has 448 divisors, whose sum is σ = 405554688000. Its totient is φ = 27455127552.

The previous prime is 108944291471. The next prime is 108944291527. The reversal of 108944291520 is 25192449801.

It is a happy number.

108944291520 is a `hidden beast` number, since 1 + 0 + 89 + 4 + 42 + 9 + 1 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (108944291527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126238609 + ... + 126239471.

It is an arithmetic number, because the mean of its divisors is an integer number (905256000).

Almost surely, 2^108944291520 is an apocalyptic number.

108944291520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108944291520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202777344000).

108944291520 is an abundant number, since it is smaller than the sum of its proper divisors (296610396480).

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

108944291520 is a wasteful number, since it uses less digits than its factorization.

108944291520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 108944291520 in words is "one hundred eight billion, nine hundred forty-four million, two hundred ninety-one thousand, five hundred twenty".