42638482 has 24 divisors (see below), whose sum is σ = 68964480. Its totient is φ = 19763520.

The previous prime is 42638471. The next prime is 42638507. The reversal of 42638482 is 28483624.

42638482 is a modest number, since divided by 38482 gives 426 as remainder.

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, 40519 + ... + 41557.

It is an arithmetic number, because the mean of its divisors is an integer number (2873520).

Almost surely, 2^42638482 is an apocalyptic number.

42638482 is a deficient number, since it is larger than the sum of its proper divisors (26325998).

42638482 is a wasteful number, since it uses less digits than its factorization.

42638482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1129 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 42638482 is about 6529.8148518928. The cubic root of 42638482 is about 349.3552265267.

The spelling of 42638482 in words is "forty-two million, six hundred thirty-eight thousand, four hundred eighty-two".