444344245244240 has 160 divisors (see below), whose sum is σ = 1157534737785216. Its totient is φ = 157205073991680.

The previous prime is 444344245244233. The next prime is 444344245244261. The reversal of 444344245244240 is 42442542443444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692653874 + ... + 693295086.

Almost surely, 2^{444344245244240} is an apocalyptic number.

444344245244240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444344245244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578767368892608).

444344245244240 is an abundant number, since it is smaller than the sum of its proper divisors (713190492540976).

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

444344245244240 is a wasteful number, since it uses less digits than its factorization.

444344245244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662557 (or 662551 counting only the distinct ones).

The product of its (nonzero) digits is 31457280, while the sum is 50.

Adding to 444344245244240 its reverse (42442542443444), we get a palindrome (486786787687684).

The spelling of 444344245244240 in words is "four hundred forty-four trillion, three hundred forty-four billion, two hundred forty-five million, two hundred forty-four thousand, two hundred forty".