42472338018 has 24 divisors (see below), whose sum is σ = 93368943024. Its totient is φ = 12870405240.

The previous prime is 42472338001. The next prime is 42472338023. The reversal of 42472338018 is 81083327424.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29250196 + ... + 29251647.

It is an arithmetic number, because the mean of its divisors is an integer number (3890372626).

Almost surely, 2^42472338018 is an apocalyptic number.

42472338018 is an abundant number, since it is smaller than the sum of its proper divisors (50896605006).

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

42472338018 is a wasteful number, since it uses less digits than its factorization.

42472338018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58501870 (or 58501859 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 42472338018 in words is "forty-two billion, four hundred seventy-two million, three hundred thirty-eight thousand, eighteen".