42240024442 has 64 divisors (see below), whose sum is σ = 80305053696. Its totient is φ = 16184900160.

The previous prime is 42240024427. The next prime is 42240024467. The reversal of 42240024442 is 24442004224.

It is a super-2 number, since 2×42240024442² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42240024442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6982263 + ... + 6988309.

It is an arithmetic number, because the mean of its divisors is an integer number (1254766464).

Almost surely, 2^42240024442 is an apocalyptic number.

42240024442 is a deficient number, since it is larger than the sum of its proper divisors (38065029254).

42240024442 is a wasteful number, since it uses less digits than its factorization.

42240024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811.

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

Adding to 42240024442 its reverse (24442004224), we get a palindrome (66682028666).

The spelling of 42240024442 in words is "forty-two billion, two hundred forty million, twenty-four thousand, four hundred forty-two".