110989440 has 160 divisors (see below), whose sum is σ = 396548460. Its totient is φ = 29583360.

The previous prime is 110989433. The next prime is 110989441. The reversal of 110989440 is 44989011.

It can be written as a sum of positive squares in 2 ways, for example, as 106007616 + 4981824 = 10296^2 + 2232^2 .

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a junction number, because it is equal to n+sod(n) for n = 110989395 and 110989404.

It is not an unprimeable number, because it can be changed into a prime (110989441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50770 + ... + 52910.

Almost surely, 2^110989440 is an apocalyptic number.

110989440 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 110989440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198274230).

110989440 is an abundant number, since it is smaller than the sum of its proper divisors (285559020).

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

110989440 is an equidigital number, since it uses as much as digits as its factorization.

110989440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 110989440 is about 10535.1525855110. The cubic root of 110989440 is about 480.5743125698.

The spelling of 110989440 in words is "one hundred ten million, nine hundred eighty-nine thousand, four hundred forty".