109259040 has 96 divisors (see below), whose sum is σ = 375471936. Its totient is φ = 26485760.

The previous prime is 109259009. The next prime is 109259041. The reversal of 109259040 is 40952901.

It is a happy number.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 109258989 and 109259007.

It is not an unprimeable number, because it can be changed into a prime (109259041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5067 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (3911166).

Almost surely, 2^109259040 is an apocalyptic number.

109259040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109259040 is an abundant number, since it is smaller than the sum of its proper divisors (266212896).

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

109259040 is a wasteful number, since it uses less digits than its factorization.

109259040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20722 (or 20714 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 109259040 is about 10452.7049130835. The cubic root of 109259040 is about 478.0637275491.

The spelling of 109259040 in words is "one hundred nine million, two hundred fifty-nine thousand, forty".