444213312446 has 16 divisors (see below), whose sum is σ = 685227178800. Its totient is φ = 215888849088.

The previous prime is 444213312419. The next prime is 444213312449. The reversal of 444213312446 is 644213312444.

It is a super-4 number, since 4×444213312446⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444213312449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21138485 + ... + 21159488.

It is an arithmetic number, because the mean of its divisors is an integer number (42826698675).

Almost surely, 2^444213312446 is an apocalyptic number.

444213312446 is a deficient number, since it is larger than the sum of its proper divisors (241013866354).

444213312446 is a wasteful number, since it uses less digits than its factorization.

444213312446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42298123.

The product of its digits is 221184, while the sum is 38.

The spelling of 444213312446 in words is "four hundred forty-four billion, two hundred thirteen million, three hundred twelve thousand, four hundred forty-six".