444000999999 has 16 divisors (see below), whose sum is σ = 617076027008. Its totient is φ = 283702126752.

The previous prime is 444000999991. The next prime is 444001000007. The reversal of 444000999999 is 999999000444.

It is an interprime number because it is at equal distance from previous prime (444000999991) and next prime (444001000007).

It is not a de Polignac number, because 444000999999 - 2³ = 444000999991 is a prime.

It is a super-2 number, since 2×444000999999² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

444000999999 is a modest number, since divided by 999999 gives 444000 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444000999991) 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, 29843377 + ... + 29858250.

It is an arithmetic number, because the mean of its divisors is an integer number (38567251688).

Almost surely, 2^444000999999 is an apocalyptic number.

444000999999 is a deficient number, since it is larger than the sum of its proper divisors (173075027009).

444000999999 is a wasteful number, since it uses less digits than its factorization.

444000999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59701734.

The product of its (nonzero) digits is 34012224, while the sum is 66.

The spelling of 444000999999 in words is "four hundred forty-four billion, nine hundred ninety-nine thousand, nine hundred ninety-nine".