109826540 has 24 divisors (see below), whose sum is σ = 231390432. Its totient is φ = 43786880.

The previous prime is 109826539. The next prime is 109826543. The reversal of 109826540 is 45628901.

It is a self number, because there is not a number n which added to its sum of digits gives 109826540.

It is not an unprimeable number, because it can be changed into a prime (109826543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (9641268).

Almost surely, 2^109826540 is an apocalyptic number.

109826540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109826540 is an abundant number, since it is smaller than the sum of its proper divisors (121563892).

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

109826540 is a wasteful number, since it uses less digits than its factorization.

109826540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17977 (or 17975 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 109826540 is about 10479.8158380765. The cubic root of 109826540 is about 478.8899987553.

The spelling of 109826540 in words is "one hundred nine million, eight hundred twenty-six thousand, five hundred forty".