42005403502 has 8 divisors (see below), whose sum is σ = 63027377712. Its totient is φ = 20996277600.

The previous prime is 42005403491. The next prime is 42005403511. The reversal of 42005403502 is 20530450024.

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

It is a congruent number.

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, 3203899 + ... + 3216982.

It is an arithmetic number, because the mean of its divisors is an integer number (7878422214).

Almost surely, 2^42005403502 is an apocalyptic number.

42005403502 is a deficient number, since it is larger than the sum of its proper divisors (21021974210).

42005403502 is a wasteful number, since it uses less digits than its factorization.

42005403502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424154.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 42005403502 its reverse (20530450024), we get a palindrome (62535853526).

The spelling of 42005403502 in words is "forty-two billion, five million, four hundred three thousand, five hundred two".