444403130334340 has 24 divisors (see below), whose sum is σ = 933490815310872. Its totient is φ = 177714729922560.

The previous prime is 444403130334257. The next prime is 444403130334341. The reversal of 444403130334340 is 43433031304444.

It can be written as a sum of positive squares in 4 ways, for example, as 220859486040964 + 223543644293376 = 14861342^2 + 14951376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444403130334293 and 444403130334302.

It is not an unprimeable number, because it can be changed into a prime (444403130334341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907559869 + ... + 2907712708.

It is an arithmetic number, because the mean of its divisors is an integer number (38895450637953).

Almost surely, 2^{444403130334340} is an apocalyptic number.

It is an amenable number.

444403130334340 is an abundant number, since it is smaller than the sum of its proper divisors (489087684976532).

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

444403130334340 is a wasteful number, since it uses less digits than its factorization.

444403130334340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815276407 (or 5815276405 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 444403130334340 its reverse (43433031304444), we get a palindrome (487836161638784).

The spelling of 444403130334340 in words is "four hundred forty-four trillion, four hundred three billion, one hundred thirty million, three hundred thirty-four thousand, three hundred forty".