444148811 has 4 divisors (see below), whose sum is σ = 458476224. Its totient is φ = 429821400.

The previous prime is 444148801. The next prime is 444148847. The reversal of 444148811 is 118841444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444148811 - 2¹⁰ = 444147787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444148801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7163660 + ... + 7163721.

It is an arithmetic number, because the mean of its divisors is an integer number (114619056).

Almost surely, 2^444148811 is an apocalyptic number.

444148811 is a deficient number, since it is larger than the sum of its proper divisors (14327413).

444148811 is a wasteful number, since it uses less digits than its factorization.

444148811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14327412.

The product of its digits is 16384, while the sum is 35.

The square root of 444148811 is about 21074.8383386445. The cubic root of 444148811 is about 762.9735829302.

The spelling of 444148811 in words is "four hundred forty-four million, one hundred forty-eight thousand, eight hundred eleven".