42602421205 has 32 divisors (see below), whose sum is σ = 54029980800. Its totient is φ = 32158651392.

The previous prime is 42602421149. The next prime is 42602421241. The reversal of 42602421205 is 50212420624.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42602421205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44703009 + ... + 44703961.

It is an arithmetic number, because the mean of its divisors is an integer number (1688436900).

Almost surely, 2^42602421205 is an apocalyptic number.

It is an amenable number.

42602421205 is a deficient number, since it is larger than the sum of its proper divisors (11427559595).

42602421205 is a wasteful number, since it uses less digits than its factorization.

42602421205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 42602421205 its reverse (50212420624), we get a palindrome (92814841829).

The spelling of 42602421205 in words is "forty-two billion, six hundred two million, four hundred twenty-one thousand, two hundred five".