42443244360561 has 8 divisors (see below), whose sum is σ = 61735628160864. Its totient is φ = 25723178400320.

The previous prime is 42443244360547. The next prime is 42443244360581. The reversal of 42443244360561 is 16506344234424.

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

It is a cyclic number.

It is not a de Polignac number, because 42443244360561 - 2⁵ = 42443244360529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42443244360561.

It is not an unprimeable number, because it can be changed into a prime (42443244360521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643079459976 + ... + 643079460041.

It is an arithmetic number, because the mean of its divisors is an integer number (7716953520108).

Almost surely, 2^{42443244360561} is an apocalyptic number.

It is an amenable number.

42443244360561 is a deficient number, since it is larger than the sum of its proper divisors (19292383800303).

42443244360561 is a wasteful number, since it uses less digits than its factorization.

42443244360561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286158920031.

The product of its (nonzero) digits is 6635520, while the sum is 48.

Adding to 42443244360561 its reverse (16506344234424), we get a palindrome (58949588594985).

The spelling of 42443244360561 in words is "forty-two trillion, four hundred forty-three billion, two hundred forty-four million, three hundred sixty thousand, five hundred sixty-one".