444230304440 has 64 divisors (see below), whose sum is σ = 1113521623200. Its totient is φ = 158367508992.

The previous prime is 444230304407. The next prime is 444230304461. The reversal of 444230304440 is 44403032444.

It is a junction number, because it is equal to n+sod(n) for n = 444230304397 and 444230304406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14714042 + ... + 14744201.

Almost surely, 2^444230304440 is an apocalyptic number.

444230304440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444230304440 is an abundant number, since it is smaller than the sum of its proper divisors (669291318760).

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

444230304440 is a wasteful number, since it uses less digits than its factorization.

444230304440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29458296 (or 29458292 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 444230304440 its reverse (44403032444), we get a palindrome (488633336884).

The spelling of 444230304440 in words is "four hundred forty-four billion, two hundred thirty million, three hundred four thousand, four hundred forty".