109240404 has 144 divisors (see below), whose sum is σ = 330333696. Its totient is φ = 27820800.

The previous prime is 109240403. The next prime is 109240421. The reversal of 109240404 is 404042901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109240403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 236734 + ... + 237194.

It is an arithmetic number, because the mean of its divisors is an integer number (2293984).

Almost surely, 2^109240404 is an apocalyptic number.

109240404 is a gapful number since it is divisible by the number (14) 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 109240404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165166848).

109240404 is an abundant number, since it is smaller than the sum of its proper divisors (221093292).

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

109240404 is a wasteful number, since it uses less digits than its factorization.

109240404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 109240404 is about 10451.8134311707. The cubic root of 109240404 is about 478.0365453522.

The spelling of 109240404 in words is "one hundred nine million, two hundred forty thousand, four hundred four".