42401232242 has 8 divisors (see below), whose sum is σ = 63602722476. Its totient is φ = 21200324752.

The previous prime is 42401232229. The next prime is 42401232301. The reversal of 42401232242 is 24223210424.

It can be written as a sum of positive squares in 2 ways, for example, as 31110257161 + 11290975081 = 176381^2 + 106259^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 206408 + ... + 356940.

Almost surely, 2^42401232242 is an apocalyptic number.

42401232242 is a deficient number, since it is larger than the sum of its proper divisors (21201490234).

42401232242 is a wasteful number, since it uses less digits than its factorization.

42401232242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291372.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42401232242 its reverse (24223210424), we get a palindrome (66624442666).

The spelling of 42401232242 in words is "forty-two billion, four hundred one million, two hundred thirty-two thousand, two hundred forty-two".