109417440 has 384 divisors, whose sum is σ = 423263232. Its totient is φ = 23429120.

The previous prime is 109417439. The next prime is 109417453. The reversal of 109417440 is 44714901.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 109417398 and 109417407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2064454 + ... + 2064506.

It is an arithmetic number, because the mean of its divisors is an integer number (1102248).

Almost surely, 2^109417440 is an apocalyptic number.

109417440 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 109417440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211631616).

109417440 is an abundant number, since it is smaller than the sum of its proper divisors (313845792).

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

109417440 is a wasteful number, since it uses less digits than its factorization.

109417440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 109417440 is about 10460.2791549748. The cubic root of 109417440 is about 478.2946427797.

It can be divided in two parts, 10941 and 7440, that added together give a palindrome (18381).

The spelling of 109417440 in words is "one hundred nine million, four hundred seventeen thousand, four hundred forty".