109843440 has 160 divisors (see below), whose sum is σ = 392641536. Its totient is φ = 24883200.

The previous prime is 109843439. The next prime is 109843453. The reversal of 109843440 is 44348901.

It is a happy number.

It is a super-2 number, since 2×109843440² = 24131162622067200, which contains 22 as substring.

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, 253464 + ... + 253896.

Almost surely, 2^109843440 is an apocalyptic number.

109843440 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 109843440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196320768).

109843440 is an abundant number, since it is smaller than the sum of its proper divisors (282798096).

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

109843440 is a wasteful number, since it uses less digits than its factorization.

109843440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 109843440 is about 10480.6221189393. The cubic root of 109843440 is about 478.9145612028.

The spelling of 109843440 in words is "one hundred nine million, eight hundred forty-three thousand, four hundred forty".