444431001340 has 24 divisors (see below), whose sum is σ = 933324904512. Its totient is φ = 177768628800.

The previous prime is 444431001269. The next prime is 444431001359. The reversal of 444431001340 is 43100134444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444431001299 and 444431001308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853165 + ... + 1271515.

It is an arithmetic number, because the mean of its divisors is an integer number (38888537688).

Almost surely, 2^444431001340 is an apocalyptic number.

It is an amenable number.

444431001340 is an abundant number, since it is smaller than the sum of its proper divisors (488893903172).

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

444431001340 is a wasteful number, since it uses less digits than its factorization.

444431001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471477 (or 471475 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 444431001340 its reverse (43100134444), we get a palindrome (487531135784).

The spelling of 444431001340 in words is "four hundred forty-four billion, four hundred thirty-one million, one thousand, three hundred forty".