42402040220224 has 14 divisors (see below), whose sum is σ = 84141548562134. Its totient is φ = 21201020110080.

The previous prime is 42402040220219. The next prime is 42402040220233. The reversal of 42402040220224 is 42202204020424.

It can be written as a sum of positive squares in only one way, i.e., 33390276378624 + 9011763841600 = 5778432^2 + 3001960^2 .

It is a super-2 number, since 2×42402040220224² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42402040220192 and 42402040220201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331265939157 + ... + 331265939284.

It is an arithmetic number, because the mean of its divisors is an integer number (6010110611581).

Almost surely, 2^{42402040220224} is an apocalyptic number.

It is an amenable number.

42402040220224 is a deficient number, since it is larger than the sum of its proper divisors (41739508341910).

42402040220224 is an equidigital number, since it uses as much as digits as its factorization.

42402040220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662531878453 (or 662531878443 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42402040220224 its reverse (42202204020424), we get a palindrome (84604244240648).

The spelling of 42402040220224 in words is "forty-two trillion, four hundred two billion, forty million, two hundred twenty thousand, two hundred twenty-four".