109579440 has 40 divisors (see below), whose sum is σ = 339697008. Its totient is φ = 29221120.

The previous prime is 109579427. The next prime is 109579447. The reversal of 109579440 is 44975901.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (109579447) 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, 228051 + ... + 228530.

Almost surely, 2^109579440 is an apocalyptic number.

109579440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109579440 is an abundant number, since it is smaller than the sum of its proper divisors (230117568).

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

109579440 is a wasteful number, since it uses less digits than its factorization.

109579440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456597 (or 456591 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 109579440 is about 10468.0198700614. The cubic root of 109579440 is about 478.5305756851.

The spelling of 109579440 in words is "one hundred nine million, five hundred seventy-nine thousand, four hundred forty".