444001244542 has 8 divisors (see below), whose sum is σ = 666234987696. Its totient is φ = 221922915312.

The previous prime is 444001244497. The next prime is 444001244563. The reversal of 444001244542 is 245442100444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 444001244498 and 444001244507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38846338 + ... + 38857765.

It is an arithmetic number, because the mean of its divisors is an integer number (83279373462).

Almost surely, 2^444001244542 is an apocalyptic number.

444001244542 is a deficient number, since it is larger than the sum of its proper divisors (222233743154).

444001244542 is a wasteful number, since it uses less digits than its factorization.

444001244542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77706962.

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 444001244542 its reverse (245442100444), we get a palindrome (689443344986).

The spelling of 444001244542 in words is "four hundred forty-four billion, one million, two hundred forty-four thousand, five hundred forty-two".