444013334331 has 16 divisors (see below), whose sum is σ = 690399744000. Its totient is φ = 253721904744.

The previous prime is 444013334311. The next prime is 444013334383. The reversal of 444013334331 is 133433310444.

It is not a de Polignac number, because 444013334331 - 2⁶ = 444013334267 is a prime.

It is a super-2 number, since 2×444013334331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444013334292 and 444013334301.

It is not an unprimeable number, because it can be changed into a prime (444013334311) 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, 215748891 + ... + 215750948.

It is an arithmetic number, because the mean of its divisors is an integer number (43149984000).

Almost surely, 2^444013334331 is an apocalyptic number.

444013334331 is a deficient number, since it is larger than the sum of its proper divisors (246386409669).

444013334331 is an equidigital number, since it uses as much as digits as its factorization.

444013334331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431499863 (or 431499849 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 444013334331 its reverse (133433310444), we get a palindrome (577446644775).

The spelling of 444013334331 in words is "four hundred forty-four billion, thirteen million, three hundred thirty-four thousand, three hundred thirty-one".