42041618 has 8 divisors (see below), whose sum is σ = 63091200. Its totient is φ = 21011220.

The previous prime is 42041609. The next prime is 42041621. The reversal of 42041618 is 81614024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683 + ... + 9881.

It is an arithmetic number, because the mean of its divisors is an integer number (7886400).

Almost surely, 2^42041618 is an apocalyptic number.

42041618 is a deficient number, since it is larger than the sum of its proper divisors (21049582).

42041618 is a wasteful number, since it uses less digits than its factorization.

42041618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9592.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 42041618 is about 6483.9508017874. The cubic root of 42041618 is about 347.7174402982.

The spelling of 42041618 in words is "forty-two million, forty-one thousand, six hundred eighteen".