109169440 has 48 divisors (see below), whose sum is σ = 271494720. Its totient is φ = 41368320.

The previous prime is 109169419. The next prime is 109169449. The reversal of 109169440 is 44961901.

It is a junction number, because it is equal to n+sod(n) for n = 109169396 and 109169405.

It is not an unprimeable number, because it can be changed into a prime (109169449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14916 + ... + 20995.

It is an arithmetic number, because the mean of its divisors is an integer number (5656140).

Almost surely, 2^109169440 is an apocalyptic number.

109169440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109169440 is an abundant number, since it is smaller than the sum of its proper divisors (162325280).

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

109169440 is a wasteful number, since it uses less digits than its factorization.

109169440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35945 (or 35937 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 109169440 is about 10448.4180620800. The cubic root of 109169440 is about 477.9330099919.

The spelling of 109169440 in words is "one hundred nine million, one hundred sixty-nine thousand, four hundred forty".