42018782 has 16 divisors (see below), whose sum is σ = 68892432. Its totient is φ = 19103040.

The previous prime is 42018763. The next prime is 42018803. The reversal of 42018782 is 28781024.

42018782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10319 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (4305777).

Almost surely, 2^42018782 is an apocalyptic number.

42018782 is a deficient number, since it is larger than the sum of its proper divisors (26873650).

42018782 is a wasteful number, since it uses less digits than its factorization.

42018782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24203.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 42018782 is about 6482.1895992018. The cubic root of 42018782 is about 347.6544716339.

The spelling of 42018782 in words is "forty-two million, eighteen thousand, seven hundred eighty-two".