109941840 has 160 divisors (see below), whose sum is σ = 395331840. Its totient is φ = 28030464.

The previous prime is 109941803. The next prime is 109941857. The reversal of 109941840 is 48149901.

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 = 109941795 and 109941804.

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 31 ways as a sum of consecutive naturals, for example, 48574 + ... + 50786.

It is an arithmetic number, because the mean of its divisors is an integer number (2470824).

Almost surely, 2^109941840 is an apocalyptic number.

109941840 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 109941840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197665920).

109941840 is an abundant number, since it is smaller than the sum of its proper divisors (285390000).

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

109941840 is a wasteful number, since it uses less digits than its factorization.

109941840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 2246 counting only the distinct ones).

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

The square root of 109941840 is about 10485.3154458986. The cubic root of 109941840 is about 479.0575256740.

The spelling of 109941840 in words is "one hundred nine million, nine hundred forty-one thousand, eight hundred forty".