42005582 has 24 divisors (see below), whose sum is σ = 66467016. Its totient is φ = 19894896.

The previous prime is 42005569. The next prime is 42005591. The reversal of 42005582 is 28550024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136673 + ... + 136979.

It is an arithmetic number, because the mean of its divisors is an integer number (2769459).

Almost surely, 2^42005582 is an apocalyptic number.

42005582 is a deficient number, since it is larger than the sum of its proper divisors (24461434).

42005582 is a wasteful number, since it uses less digits than its factorization.

42005582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 42005582 is about 6481.1713447493. The cubic root of 42005582 is about 347.6180631563.

The spelling of 42005582 in words is "forty-two million, five thousand, five hundred eighty-two".