109444540 has 12 divisors (see below), whose sum is σ = 229833576. Its totient is φ = 43777808.

The previous prime is 109444537. The next prime is 109444571. The reversal of 109444540 is 45444901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736094 + ... + 2736133.

It is an arithmetic number, because the mean of its divisors is an integer number (19152798).

Almost surely, 2^109444540 is an apocalyptic number.

109444540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109444540 is an abundant number, since it is smaller than the sum of its proper divisors (120389036).

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

109444540 is a wasteful number, since it uses less digits than its factorization.

109444540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472236 (or 5472234 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 109444540 is about 10461.5744512956. The cubic root of 109444540 is about 478.3341267805.

The spelling of 109444540 in words is "one hundred nine million, four hundred forty-four thousand, five hundred forty".