42428860 has 12 divisors (see below), whose sum is σ = 89100648. Its totient is φ = 16971536.

The previous prime is 42428849. The next prime is 42428861. The reversal of 42428860 is 6882424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42428861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060702 + ... + 1060741.

It is an arithmetic number, because the mean of its divisors is an integer number (7425054).

Almost surely, 2^42428860 is an apocalyptic number.

It is an amenable number.

42428860 is an abundant number, since it is smaller than the sum of its proper divisors (46671788).

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

42428860 is a wasteful number, since it uses less digits than its factorization.

42428860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121452 (or 2121450 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 42428860 is about 6513.7439311044. The cubic root of 42428860 is about 348.7817783421.

The spelling of 42428860 in words is "forty-two million, four hundred twenty-eight thousand, eight hundred sixty".