109015040 has 52 divisors (see below), whose sum is σ = 261653304. Its totient is φ = 43597824.

The previous prime is 109015037. The next prime is 109015069. The reversal of 109015040 is 40510901.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17819 + ... + 23141.

Almost surely, 2^109015040 is an apocalyptic number.

109015040 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 109015040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130826652).

109015040 is an abundant number, since it is smaller than the sum of its proper divisors (152638264).

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

109015040 is an frugal number, since it uses more digits than its factorization.

109015040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 109015040 is about 10441.0267694322. The cubic root of 109015040 is about 477.7075877099.

Adding to 109015040 its reverse (40510901), we get a palindrome (149525941).

The spelling of 109015040 in words is "one hundred nine million, fifteen thousand, forty".