109258240 has 240 divisors, whose sum is σ = 333072432. Its totient is φ = 34062336.

The previous prime is 109258223. The next prime is 109258249. The reversal of 109258240 is 42852901.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109258249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1630687 + ... + 1630753.

Almost surely, 2^109258240 is an apocalyptic number.

109258240 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 109258240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166536216).

109258240 is an abundant number, since it is smaller than the sum of its proper divisors (223814192).

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

109258240 is an equidigital number, since it uses as much as digits as its factorization.

109258240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 109258240 is about 10452.6666454068. Note that the first 4 decimals coincide. The cubic root of 109258240 is about 478.0625607443.

The spelling of 109258240 in words is "one hundred nine million, two hundred fifty-eight thousand, two hundred forty".