42053918 has 8 divisors (see below), whose sum is σ = 65115840. Its totient is φ = 20348640.

The previous prime is 42053917. The next prime is 42053923. The reversal of 42053918 is 81935024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42053917) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 339083 + ... + 339206.

It is an arithmetic number, because the mean of its divisors is an integer number (8139480).

Almost surely, 2^42053918 is an apocalyptic number.

42053918 is a deficient number, since it is larger than the sum of its proper divisors (23061922).

42053918 is a wasteful number, since it uses less digits than its factorization.

42053918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678322.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 42053918 is about 6484.8992282070. The cubic root of 42053918 is about 347.7513472353.

The spelling of 42053918 in words is "forty-two million, fifty-three thousand, nine hundred eighteen".