42420424242204 has 72 divisors (see below), whose sum is σ = 111636093885680. Its totient is φ = 13569509981952.

The previous prime is 42420424242179. The next prime is 42420424242239. The reversal of 42420424242204 is 40224242402424.

42420424242204 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 0 + 4 + 2 + 424 + 220 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218034034 + ... + 218228505.

Almost surely, 2^{42420424242204} is an apocalyptic number.

It is an amenable number.

42420424242204 is an abundant number, since it is smaller than the sum of its proper divisors (69215669643476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42420424242204 is a wasteful number, since it uses less digits than its factorization.

42420424242204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436262659 (or 436262654 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 42420424242204 its reverse (40224242402424), we get a palindrome (82644666644628).

The spelling of 42420424242204 in words is "forty-two trillion, four hundred twenty billion, four hundred twenty-four million, two hundred forty-two thousand, two hundred four".