109837440 has 96 divisors (see below), whose sum is σ = 379302300. Its totient is φ = 29288448.

The previous prime is 109837417. The next prime is 109837451. The reversal of 109837440 is 44738901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101123136 + 8714304 = 10056^2 + 2952^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 109837395 and 109837404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3775 + ... + 15294.

Almost surely, 2^109837440 is an apocalyptic number.

109837440 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 109837440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189651150).

109837440 is an abundant number, since it is smaller than the sum of its proper divisors (269464860).

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

109837440 is a wasteful number, since it uses less digits than its factorization.

109837440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19094 (or 19079 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 109837440 is about 10480.3358724804. The cubic root of 109837440 is about 478.9058410957.

The spelling of 109837440 in words is "one hundred nine million, eight hundred thirty-seven thousand, four hundred forty".