109080288 has 72 divisors (see below), whose sum is σ = 314882568. Its totient is φ = 35811072.

The previous prime is 109080263. The next prime is 109080331. The reversal of 109080288 is 882080901.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16470 + ... + 22122.

It is an arithmetic number, because the mean of its divisors is an integer number (4373369).

Almost surely, 2^109080288 is an apocalyptic number.

109080288 is a gapful number since it is divisible by the number (18) 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 109080288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157441284).

109080288 is an abundant number, since it is smaller than the sum of its proper divisors (205802280).

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

109080288 is a wasteful number, since it uses less digits than its factorization.

109080288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736 (or 5725 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 109080288 is about 10444.1508989482. The cubic root of 109080288 is about 477.8028750152.

The spelling of 109080288 in words is "one hundred nine million, eighty thousand, two hundred eighty-eight".