109440216 has 24 divisors (see below), whose sum is σ = 296400780. Its totient is φ = 36480048.

The previous prime is 109440211. The next prime is 109440223. The reversal of 109440216 is 612044901.

109440216 is a `hidden beast` number, since 1 + 0 + 9 + 440 + 216 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 109440216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109440211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 759930 + ... + 760073.

Almost surely, 2^109440216 is an apocalyptic number.

It is an amenable number.

109440216 is an abundant number, since it is smaller than the sum of its proper divisors (186960564).

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

109440216 is a wasteful number, since it uses less digits than its factorization.

109440216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520015 (or 1520008 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 109440216 is about 10461.3677882005. The cubic root of 109440216 is about 478.3278272611.

The spelling of 109440216 in words is "one hundred nine million, four hundred forty thousand, two hundred sixteen".