444213212542 has 8 divisors (see below), whose sum is σ = 726894347832. Its totient is φ = 201915096600.

The previous prime is 444213212533. The next prime is 444213212669. The reversal of 444213212542 is 245212312444.

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

It is a super-2 number, since 2×444213212542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444213212498 and 444213212507.

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, 10095754809 + ... + 10095754852.

It is an arithmetic number, because the mean of its divisors is an integer number (90861793479).

Almost surely, 2^444213212542 is an apocalyptic number.

444213212542 is a deficient number, since it is larger than the sum of its proper divisors (282681135290).

444213212542 is a wasteful number, since it uses less digits than its factorization.

444213212542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191509674.

The product of its digits is 61440, while the sum is 34.

Adding to 444213212542 its reverse (245212312444), we get a palindrome (689425524986).

The spelling of 444213212542 in words is "four hundred forty-four billion, two hundred thirteen million, two hundred twelve thousand, five hundred forty-two".