42872312018 has 16 divisors (see below), whose sum is σ = 68106052800. Its totient is φ = 20198115696.

The previous prime is 42872312003. The next prime is 42872312033. The reversal of 42872312018 is 81021327824.

It is an interprime number because it is at equal distance from previous prime (42872312003) and next prime (42872312033).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6952193 + ... + 6958356.

It is an arithmetic number, because the mean of its divisors is an integer number (4256628300).

Almost surely, 2^42872312018 is an apocalyptic number.

42872312018 is a deficient number, since it is larger than the sum of its proper divisors (25233740782).

42872312018 is a wasteful number, since it uses less digits than its factorization.

42872312018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13910641.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 42872312018 in words is "forty-two billion, eight hundred seventy-two million, three hundred twelve thousand, eighteen".