109424448 has 126 divisors (see below), whose sum is σ = 364946946. Its totient is φ = 31256064.

The previous prime is 109424437. The next prime is 109424459. The reversal of 109424448 is 844424901.

It is an interprime number because it is at equal distance from previous prime (109424437) and next prime (109424459).

It can be written as a sum of positive squares in only one way, i.e., 82301184 + 27123264 = 9072^2 + 5208^2 .

It is a tau number, because it is divible by the number of its divisors (126).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26286 + ... + 30162.

Almost surely, 2^109424448 is an apocalyptic number.

109424448 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 109424448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182473473).

109424448 is an abundant number, since it is smaller than the sum of its proper divisors (255522498).

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

109424448 is a wasteful number, since it uses less digits than its factorization.

109424448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3889 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 109424448 is about 10460.6141311110. The cubic root of 109424448 is about 478.3048538798.

The spelling of 109424448 in words is "one hundred nine million, four hundred twenty-four thousand, four hundred forty-eight".