444242042240 has 64 divisors (see below), whose sum is σ = 1062293663520. Its totient is φ = 177650380800.

The previous prime is 444242042227. The next prime is 444242042267. The reversal of 444242042240 is 42240242444.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 444242042197 and 444242042206.

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, 2414300 + ... + 2591780.

Almost surely, 2^444242042240 is an apocalyptic number.

444242042240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444242042240 is an abundant number, since it is smaller than the sum of its proper divisors (618051621280).

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

444242042240 is a wasteful number, since it uses less digits than its factorization.

444242042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181411 (or 181399 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 444242042240 its reverse (42240242444), we get a palindrome (486482284684).

The spelling of 444242042240 in words is "four hundred forty-four billion, two hundred forty-two million, forty-two thousand, two hundred forty".