42038030 has 16 divisors (see below), whose sum is σ = 76364640. Its totient is φ = 16660512.

The previous prime is 42038021. The next prime is 42038041. The reversal of 42038030 is 3083024.

It is a junction number, because it is equal to n+sod(n) for n = 42037993 and 42038011.

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 7 ways as a sum of consecutive naturals, for example, 18194 + ... + 20373.

It is an arithmetic number, because the mean of its divisors is an integer number (4772790).

Almost surely, 2^42038030 is an apocalyptic number.

42038030 is a deficient number, since it is larger than the sum of its proper divisors (34326610).

42038030 is a wasteful number, since it uses less digits than its factorization.

42038030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38683.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42038030 is about 6483.6741127234. The cubic root of 42038030 is about 347.7075481506.

The spelling of 42038030 in words is "forty-two million, thirty-eight thousand, thirty".