42424222240 has 48 divisors (see below), whose sum is σ = 100241413272. Its totient is φ = 16967286784.

The previous prime is 42424222229. The next prime is 42424222241. The reversal of 42424222240 is 4222242424.

It can be written as a sum of positive squares in 4 ways, for example, as 20587658256 + 21836563984 = 143484^2 + 147772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42424222199 and 42424222208.

It is not an unprimeable number, because it can be changed into a prime (42424222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495872 + ... + 1523968.

Almost surely, 2^42424222240 is an apocalyptic number.

42424222240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42424222240 is an abundant number, since it is smaller than the sum of its proper divisors (57817191032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42424222240 is a wasteful number, since it uses less digits than its factorization.

42424222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37549 (or 37541 counting only the distinct ones).

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

Adding to 42424222240 its reverse (4222242424), we get a palindrome (46646464664).

The spelling of 42424222240 in words is "forty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred forty".