109440240 has 160 divisors (see below), whose sum is σ = 417639936. Its totient is φ = 23086080.

The previous prime is 109440239. The next prime is 109440257. The reversal of 109440240 is 42044901.

It is a super-2 number, since 2×109440240² = 23954332262515200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 109440240.

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, 19335 + ... + 24345.

Almost surely, 2^109440240 is an apocalyptic number.

109440240 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 109440240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208819968).

109440240 is an abundant number, since it is smaller than the sum of its proper divisors (308199696).

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

109440240 is a wasteful number, since it uses less digits than its factorization.

109440240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047 (or 5041 counting only the distinct ones).

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

The square root of 109440240 is about 10461.3689352780. The cubic root of 109440240 is about 478.3278622265.

The spelling of 109440240 in words is "one hundred nine million, four hundred forty thousand, two hundred forty".