444070818 has 24 divisors (see below), whose sum is σ = 988159068. Its totient is φ = 144022752.

The previous prime is 444070817. The next prime is 444070819. The reversal of 444070818 is 818070444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444070817) and next prime (444070819).

It can be written as a sum of positive squares in 2 ways, for example, as 438609249 + 5461569 = 20943^2 + 2337^2 .

It is not an unprimeable number, because it can be changed into a prime (444070813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332721 + ... + 334052.

Almost surely, 2^444070818 is an apocalyptic number.

444070818 is an abundant number, since it is smaller than the sum of its proper divisors (544088250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444070818 is a wasteful number, since it uses less digits than its factorization.

444070818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666818 (or 666815 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 444070818 is about 21072.9878754770. The cubic root of 444070818 is about 762.9289206603.

The spelling of 444070818 in words is "four hundred forty-four million, seventy thousand, eight hundred eighteen".