444404402 has 32 divisors (see below), whose sum is σ = 734045760. Its totient is φ = 200531520.

The previous prime is 444404399. The next prime is 444404423. The reversal of 444404402 is 204404444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322988 + ... + 324360.

It is an arithmetic number, because the mean of its divisors is an integer number (22938930).

Almost surely, 2^444404402 is an apocalyptic number.

444404402 is a deficient number, since it is larger than the sum of its proper divisors (289641358).

444404402 is a wasteful number, since it uses less digits than its factorization.

444404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 444404402 is about 21080.9013564411. The cubic root of 444404402 is about 763.1199091023.

Adding to 444404402 its reverse (204404444), we get a palindrome (648808846).

The spelling of 444404402 in words is "four hundred forty-four million, four hundred four thousand, four hundred two".