444136136 has 16 divisors (see below), whose sum is σ = 838748400. Its totient is φ = 220469904.

The previous prime is 444136127. The next prime is 444136151. The reversal of 444136136 is 631631444.

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, 198590 + ... + 200813.

It is an arithmetic number, because the mean of its divisors is an integer number (52421775).

Almost surely, 2^444136136 is an apocalyptic number.

It is an amenable number.

444136136 is a deficient number, since it is larger than the sum of its proper divisors (394612264).

444136136 is a wasteful number, since it uses less digits than its factorization.

444136136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399548 (or 399544 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 444136136 is about 21074.5376224486. The cubic root of 444136136 is about 762.9663250158.

The spelling of 444136136 in words is "four hundred forty-four million, one hundred thirty-six thousand, one hundred thirty-six".