444163626 has 24 divisors (see below), whose sum is σ = 1004196960. Its totient is φ = 141617256.

The previous prime is 444163613. The next prime is 444163633. The reversal of 444163626 is 626361444.

It is a super-2 number, since 2×444163626² = 394562653322935752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536016 + ... + 536843.

It is an arithmetic number, because the mean of its divisors is an integer number (41841540).

Almost surely, 2^444163626 is an apocalyptic number.

444163626 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

444163626 is an abundant number, since it is smaller than the sum of its proper divisors (560033334).

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

444163626 is a wasteful number, since it uses less digits than its factorization.

444163626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072890 (or 1072887 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 444163626 is about 21075.1898212092. The cubic root of 444163626 is about 762.9820660689.

The spelling of 444163626 in words is "four hundred forty-four million, one hundred sixty-three thousand, six hundred twenty-six".