42242442214321 has 16 divisors (see below), whose sum is σ = 43266984537168. Its totient is φ = 41230038528000.

The previous prime is 42242442214309. The next prime is 42242442214367. The reversal of 42242442214321 is 12341224424224.

It can be written as a sum of positive squares in 8 ways, for example, as 2238853838400 + 40003588375921 = 1496280^2 + 6324839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42242442214321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42242442274321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70092171 + ... + 70692271.

It is an arithmetic number, because the mean of its divisors is an integer number (2704186533573).

Almost surely, 2^{42242442214321} is an apocalyptic number.

It is an amenable number.

42242442214321 is a deficient number, since it is larger than the sum of its proper divisors (1024542322847).

42242442214321 is an equidigital number, since it uses as much as digits as its factorization.

42242442214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610212.

The product of its digits is 196608, while the sum is 37.

Adding to 42242442214321 its reverse (12341224424224), we get a palindrome (54583666638545).

The spelling of 42242442214321 in words is "forty-two trillion, two hundred forty-two billion, four hundred forty-two million, two hundred fourteen thousand, three hundred twenty-one".