109342643280 has 160 divisors (see below), whose sum is σ = 365245372800. Its totient is φ = 26899691520.

The previous prime is 109342643279. The next prime is 109342643327. The reversal of 109342643280 is 82346243901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6015646 + ... + 6033794.

It is an arithmetic number, because the mean of its divisors is an integer number (2282783580).

Almost surely, 2^109342643280 is an apocalyptic number.

109342643280 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 109342643280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182622686400).

109342643280 is an abundant number, since it is smaller than the sum of its proper divisors (255902729520).

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

109342643280 is a wasteful number, since it uses less digits than its factorization.

109342643280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20109 (or 20103 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 109342643280 in words is "one hundred nine billion, three hundred forty-two million, six hundred forty-three thousand, two hundred eighty".