42004305202 has 4 divisors (see below), whose sum is σ = 63006457806. Its totient is φ = 21002152600.

The previous prime is 42004305173. The next prime is 42004305223. The reversal of 42004305202 is 20250340024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41943449601 + 60855601 = 204801^2 + 7801^2 .

It is a super-3 number, since 3×42004305202³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501076299 + ... + 10501076302.

Almost surely, 2^42004305202 is an apocalyptic number.

42004305202 is a deficient number, since it is larger than the sum of its proper divisors (21002152604).

42004305202 is a wasteful number, since it uses less digits than its factorization.

42004305202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21002152603.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 42004305202 its reverse (20250340024), we get a palindrome (62254645226).

The spelling of 42004305202 in words is "forty-two billion, four million, three hundred five thousand, two hundred two".