42428382 has 16 divisors (see below), whose sum is σ = 85732752. Its totient is φ = 13996800.

The previous prime is 42428369. The next prime is 42428417. The reversal of 42428382 is 28382424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35869 + ... + 37032.

It is an arithmetic number, because the mean of its divisors is an integer number (5358297).

Almost surely, 2^42428382 is an apocalyptic number.

42428382 is an abundant number, since it is smaller than the sum of its proper divisors (43304370).

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

42428382 is a wasteful number, since it uses less digits than its factorization.

42428382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73003.

The product of its digits is 24576, while the sum is 33.

The square root of 42428382 is about 6513.7072393530. The cubic root of 42428382 is about 348.7804685550.

The spelling of 42428382 in words is "forty-two million, four hundred twenty-eight thousand, three hundred eighty-two".