109520240 has 40 divisors (see below), whose sum is σ = 263420640. Its totient is φ = 42296576.

The previous prime is 109520219. The next prime is 109520249. The reversal of 109520240 is 42025901.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109520249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21284 + ... + 25923.

It is an arithmetic number, because the mean of its divisors is an integer number (6585516).

Almost surely, 2^109520240 is an apocalyptic number.

109520240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109520240 is an abundant number, since it is smaller than the sum of its proper divisors (153900400).

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

109520240 is a wasteful number, since it uses less digits than its factorization.

109520240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47249 (or 47243 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 109520240 is about 10465.1918281511. The cubic root of 109520240 is about 478.4443852064. Note that the first 3 decimals are identical.

The spelling of 109520240 in words is "one hundred nine million, five hundred twenty thousand, two hundred forty".