444400607 has 8 divisors (see below), whose sum is σ = 512818176. Its totient is φ = 377215992.

The previous prime is 444400603. The next prime is 444400679. The reversal of 444400607 is 706004444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444400607 - 2² = 444400603 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 444400607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444400603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307463 + ... + 308904.

It is an arithmetic number, because the mean of its divisors is an integer number (64102272).

Almost surely, 2^444400607 is an apocalyptic number.

444400607 is a deficient number, since it is larger than the sum of its proper divisors (68417569).

444400607 is a wasteful number, since it uses less digits than its factorization.

444400607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616477.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 444400607 is about 21080.8113458662. The cubic root of 444400607 is about 763.1177368704.

The spelling of 444400607 in words is "four hundred forty-four million, four hundred thousand, six hundred seven".