444514426018 has 32 divisors (see below), whose sum is σ = 730662109632. Its totient is φ = 201568046400.

The previous prime is 444514426007. The next prime is 444514426019. The reversal of 444514426018 is 810624415444.

It is a super-2 number, since 2×444514426018² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444514426019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241733 + ... + 1559143.

It is an arithmetic number, because the mean of its divisors is an integer number (22833190926).

Almost surely, 2^444514426018 is an apocalyptic number.

444514426018 is a deficient number, since it is larger than the sum of its proper divisors (286147683614).

444514426018 is a wasteful number, since it uses less digits than its factorization.

444514426018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318370.

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 444514426018 in words is "four hundred forty-four billion, five hundred fourteen million, four hundred twenty-six thousand, eighteen".