42390753918 has 8 divisors (see below), whose sum is σ = 84781507848. Its totient is φ = 14130251304.

The previous prime is 42390753829. The next prime is 42390753943. The reversal of 42390753918 is 81935709324.

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

42390753918 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532562821 + ... + 3532562832.

It is an arithmetic number, because the mean of its divisors is an integer number (10597688481).

Almost surely, 2^42390753918 is an apocalyptic number.

42390753918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42390753918 is a wasteful number, since it uses less digits than its factorization.

42390753918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7065125658.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 42390753918 in words is "forty-two billion, three hundred ninety million, seven hundred fifty-three thousand, nine hundred eighteen".