42841918 has 8 divisors (see below), whose sum is σ = 73443312. Its totient is φ = 18360816.

The previous prime is 42841901. The next prime is 42841951. The reversal of 42841918 is 81914824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530055 + ... + 1530082.

It is an arithmetic number, because the mean of its divisors is an integer number (9180414).

Almost surely, 2^42841918 is an apocalyptic number.

42841918 is a deficient number, since it is larger than the sum of its proper divisors (30601394).

42841918 is a wasteful number, since it uses less digits than its factorization.

42841918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060146.

The product of its digits is 18432, while the sum is 37.

The square root of 42841918 is about 6545.3737861179. The cubic root of 42841918 is about 349.9099577898.

The spelling of 42841918 in words is "forty-two million, eight hundred forty-one thousand, nine hundred eighteen".