42582838 has 12 divisors (see below), whose sum is σ = 67414140. Its totient is φ = 20170476.

The previous prime is 42582833. The next prime is 42582853. The reversal of 42582838 is 83828524.

It is a self number, because there is not a number n which added to its sum of digits gives 42582838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42582833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28768 + ... + 30211.

It is an arithmetic number, because the mean of its divisors is an integer number (5617845).

Almost surely, 2^42582838 is an apocalyptic number.

42582838 is a deficient number, since it is larger than the sum of its proper divisors (24831302).

42582838 is a wasteful number, since it uses less digits than its factorization.

42582838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59019 (or 59000 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 42582838 is about 6525.5526968986. The cubic root of 42582838 is about 349.2031887136.

The spelling of 42582838 in words is "forty-two million, five hundred eighty-two thousand, eight hundred thirty-eight".