444355412 has 12 divisors (see below), whose sum is σ = 777817236. Its totient is φ = 222121920.

The previous prime is 444355411. The next prime is 444355427. The reversal of 444355412 is 214553444.

It can be written as a sum of positive squares in 2 ways, for example, as 276756496 + 167598916 = 16636^2 + 12946^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444355411) 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, 7712 + ... + 30792.

It is an arithmetic number, because the mean of its divisors is an integer number (64818103).

Almost surely, 2^444355412 is an apocalyptic number.

It is an amenable number.

444355412 is a deficient number, since it is larger than the sum of its proper divisors (333461824).

444355412 is a wasteful number, since it uses less digits than its factorization.

444355412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27898 (or 27896 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 444355412 is about 21079.7393722029. The cubic root of 444355412 is about 763.0918666122.

The spelling of 444355412 in words is "four hundred forty-four million, three hundred fifty-five thousand, four hundred twelve".