444329599 has 12 divisors (see below), whose sum is σ = 520826328. Its totient is φ = 377941200.

The previous prime is 444329597. The next prime is 444329623. The reversal of 444329599 is 995923444.

It is a happy number.

It is not a de Polignac number, because 444329599 - 2¹ = 444329597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444329593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28192 + ... + 41029.

It is an arithmetic number, because the mean of its divisors is an integer number (43402194).

Almost surely, 2^444329599 is an apocalyptic number.

444329599 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

444329599 is a deficient number, since it is larger than the sum of its proper divisors (76496729).

444329599 is a wasteful number, since it uses less digits than its factorization.

444329599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69366 (or 69359 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 444329599 is about 21079.1270929325. The cubic root of 444329599 is about 763.0770900983.

The spelling of 444329599 in words is "four hundred forty-four million, three hundred twenty-nine thousand, five hundred ninety-nine".