42402420424202 has 8 divisors (see below), whose sum is σ = 63686340171300. Its totient is φ = 21173640367104.

The previous prime is 42402420424141. The next prime is 42402420424253. The reversal of 42402420424202 is 20242402420424.

It can be written as a sum of positive squares in 2 ways, for example, as 40677876282241 + 1724544141961 = 6377921^2 + 1313219^2 .

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, 13784920577 + ... + 13784923652.

Almost surely, 2^{42402420424202} is an apocalyptic number.

42402420424202 is a deficient number, since it is larger than the sum of its proper divisors (21283919747098).

42402420424202 is a wasteful number, since it uses less digits than its factorization.

42402420424202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27569845000.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42402420424202 its reverse (20242402420424), we get a palindrome (62644822844626).

The spelling of 42402420424202 in words is "forty-two trillion, four hundred two billion, four hundred twenty million, four hundred twenty-four thousand, two hundred two".