42305481218 has 64 divisors (see below), whose sum is σ = 85278880512. Its totient is φ = 15201146880.

The previous prime is 42305481217. The next prime is 42305481247. The reversal of 42305481218 is 81218450324.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42305481217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2379530 + ... + 2397242.

It is an arithmetic number, because the mean of its divisors is an integer number (1332482508).

Almost surely, 2^42305481218 is an apocalyptic number.

42305481218 is an abundant number, since it is smaller than the sum of its proper divisors (42973399294).

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

42305481218 is a wasteful number, since it uses less digits than its factorization.

42305481218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18939.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 42305481218 in words is "forty-two billion, three hundred five million, four hundred eighty-one thousand, two hundred eighteen".