444304232240 has 40 divisors (see below), whose sum is σ = 1126917100368. Its totient is φ = 161565175040.

The previous prime is 444304232227. The next prime is 444304232311. The reversal of 444304232240 is 42232403444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 444304232197 and 444304232206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252444707 + ... + 252446466.

Almost surely, 2^444304232240 is an apocalyptic number.

444304232240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444304232240 is an abundant number, since it is smaller than the sum of its proper divisors (682612868128).

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

444304232240 is a wasteful number, since it uses less digits than its factorization.

444304232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504891197 (or 504891191 counting only the distinct ones).

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

Adding to 444304232240 its reverse (42232403444), we get a palindrome (486536635684).

The spelling of 444304232240 in words is "four hundred forty-four billion, three hundred four million, two hundred thirty-two thousand, two hundred forty".