109022040 has 96 divisors (see below), whose sum is σ = 365788800. Its totient is φ = 28131840.

The previous prime is 109022027. The next prime is 109022041. The reversal of 109022040 is 40220901.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109022041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6276 + ... + 16044.

It is an arithmetic number, because the mean of its divisors is an integer number (3810300).

Almost surely, 2^109022040 is an apocalyptic number.

109022040 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 109022040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182894400).

109022040 is an abundant number, since it is smaller than the sum of its proper divisors (256766760).

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

109022040 is a wasteful number, since it uses less digits than its factorization.

109022040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9817 (or 9810 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 109022040 is about 10441.3619801250. The cubic root of 109022040 is about 477.7178122365.

Adding to 109022040 its reverse (40220901), we get a palindrome (149242941).

The spelling of 109022040 in words is "one hundred nine million, twenty-two thousand, forty".