444415163231730 has 64 divisors (see below), whose sum is σ = 1067238501884928. Its totient is φ = 118439368919040.

The previous prime is 444415163231713. The next prime is 444415163231731. The reversal of 444415163231730 is 37132361514444.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444415163231730.

It is not an unprimeable number, because it can be changed into a prime (444415163231731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1933461610 + ... + 1933691450.

It is an arithmetic number, because the mean of its divisors is an integer number (16675601591952).

Almost surely, 2^{444415163231730} is an apocalyptic number.

444415163231730 is an abundant number, since it is smaller than the sum of its proper divisors (622823338653198).

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

444415163231730 is a wasteful number, since it uses less digits than its factorization.

444415163231730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268371.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 444415163231730 in words is "four hundred forty-four trillion, four hundred fifteen billion, one hundred sixty-three million, two hundred thirty-one thousand, seven hundred thirty".