109464240 has 80 divisors (see below), whose sum is σ = 347263488. Its totient is φ = 28508928.

The previous prime is 109464203. The next prime is 109464247. The reversal of 109464240 is 42464901.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 109464198 and 109464207.

It is not an unprimeable number, because it can be changed into a prime (109464247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5017 + ... + 15623.

Almost surely, 2^109464240 is an apocalyptic number.

109464240 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 109464240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173631744).

109464240 is an abundant number, since it is smaller than the sum of its proper divisors (237799248).

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

109464240 is a wasteful number, since it uses less digits than its factorization.

109464240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666 (or 10660 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 109464240 is about 10462.5159498086. The cubic root of 109464240 is about 478.3628250812.

The spelling of 109464240 in words is "one hundred nine million, four hundred sixty-four thousand, two hundred forty".