444364136 has 16 divisors (see below), whose sum is σ = 834165600. Its totient is φ = 221919984.

The previous prime is 444364111. The next prime is 444364147. The reversal of 444364136 is 631463444.

It is a junction number, because it is equal to n+sod(n) for n = 444364096 and 444364105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25460 + ... + 39203.

It is an arithmetic number, because the mean of its divisors is an integer number (52135350).

Almost surely, 2^444364136 is an apocalyptic number.

It is an amenable number.

444364136 is a deficient number, since it is larger than the sum of its proper divisors (389801464).

444364136 is a wasteful number, since it uses less digits than its factorization.

444364136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65528 (or 65524 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 444364136 is about 21079.9462997418. The cubic root of 444364136 is about 763.0968604900.

The spelling of 444364136 in words is "four hundred forty-four million, three hundred sixty-four thousand, one hundred thirty-six".