109640448 has 108 divisors (see below), whose sum is σ = 330024240. Its totient is φ = 34940928.

The previous prime is 109640423. The next prime is 109640477. The reversal of 109640448 is 844046901.

It is a happy number.

109640448 is a `hidden beast` number, since 1 + 0 + 9 + 640 + 4 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 51958 + ... + 54026.

It is an arithmetic number, because the mean of its divisors is an integer number (3055780).

Almost surely, 2^109640448 is an apocalyptic number.

109640448 is a gapful number since it is divisible by the number (18) 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 109640448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165012120).

109640448 is an abundant number, since it is smaller than the sum of its proper divisors (220383792).

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

109640448 is a wasteful number, since it uses less digits than its factorization.

109640448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 109640448 is about 10470.9334827416. The cubic root of 109640448 is about 478.6193659944.

The spelling of 109640448 in words is "one hundred nine million, six hundred forty thousand, four hundred forty-eight".