109200440 has 16 divisors (see below), whose sum is σ = 245701080. Its totient is φ = 43680160.

The previous prime is 109200437. The next prime is 109200463. The reversal of 109200440 is 44002901.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364966 + ... + 1365045.

Almost surely, 2^109200440 is an apocalyptic number.

109200440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109200440 is an abundant number, since it is smaller than the sum of its proper divisors (136500640).

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

109200440 is a wasteful number, since it uses less digits than its factorization.

109200440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730022 (or 2730018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 109200440 is about 10449.9014349419. The cubic root of 109200440 is about 477.9782440219.

The spelling of 109200440 in words is "one hundred nine million, two hundred thousand, four hundred forty".