42428662444242 has 24 divisors (see below), whose sum is σ = 91928890460160. Its totient is φ = 14142868738200.

The previous prime is 42428662444241. The next prime is 42428662444253. The reversal of 42428662444242 is 24244426682424.

42428662444242 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 8 + 6 + 624 + 4 + 4 + 2 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (42428662444241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22020367 + ... + 23869517.

It is an arithmetic number, because the mean of its divisors is an integer number (3830370435840).

Almost surely, 2^{42428662444242} is an apocalyptic number.

42428662444242 is an abundant number, since it is smaller than the sum of its proper divisors (49500228015918).

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

42428662444242 is a wasteful number, since it uses less digits than its factorization.

42428662444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123878 (or 3123875 counting only the distinct ones).

The product of its digits is 37748736, while the sum is 54.

The spelling of 42428662444242 in words is "forty-two trillion, four hundred twenty-eight billion, six hundred sixty-two million, four hundred forty-four thousand, two hundred forty-two".