444431000412 has 36 divisors (see below), whose sum is σ = 1283911779696. Its totient is φ = 126980285760.

The previous prime is 444431000399. The next prime is 444431000413. The reversal of 444431000412 is 214000134444.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×444431000412² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444431000413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881807289 + ... + 881807792.

Almost surely, 2^444431000412 is an apocalyptic number.

444431000412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

444431000412 is an abundant number, since it is smaller than the sum of its proper divisors (839480779284).

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

444431000412 is a wasteful number, since it uses less digits than its factorization.

444431000412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763615098 (or 1763615093 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 444431000412 its reverse (214000134444), we get a palindrome (658431134856).

The spelling of 444431000412 in words is "four hundred forty-four billion, four hundred thirty-one million, four hundred twelve", and thus it is an aban number.