444788099 has 16 divisors (see below), whose sum is σ = 534504960. Its totient is φ = 361870080.

The previous prime is 444788083. The next prime is 444788111. The reversal of 444788099 is 990887444.

It is a Cunningham number, because it is equal to 21090²-1.

It is a cyclic number.

It is not a de Polignac number, because 444788099 - 2⁴ = 444788083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444788099.

It is not an unprimeable number, because it can be changed into a prime (444788599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10547 + ... + 31635.

It is an arithmetic number, because the mean of its divisors is an integer number (33406560).

Almost surely, 2^444788099 is an apocalyptic number.

444788099 is a deficient number, since it is larger than the sum of its proper divisors (89716861).

444788099 is a wasteful number, since it uses less digits than its factorization.

444788099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21250.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 444788099 is about 21089.9999762921. Note that the first 4 decimals coincide. The cubic root of 444788099 is about 763.3394708269.

The spelling of 444788099 in words is "four hundred forty-four million, seven hundred eighty-eight thousand, ninety-nine".