42002422402 has 8 divisors (see below), whose sum is σ = 63323449596. Its totient is φ = 20894605872.

The previous prime is 42002422391. The next prime is 42002422433. The reversal of 42002422402 is 20422420024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24797115841 + 17205306561 = 157471^2 + 131169^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53302173 + ... + 53302960.

Almost surely, 2^42002422402 is an apocalyptic number.

42002422402 is a deficient number, since it is larger than the sum of its proper divisors (21321027194).

42002422402 is a wasteful number, since it uses less digits than its factorization.

42002422402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106605332.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42002422402 its reverse (20422420024), we get a palindrome (62424842426).

The spelling of 42002422402 in words is "forty-two billion, two million, four hundred twenty-two thousand, four hundred two".