47271445387242 has 16 divisors (see below), whose sum is σ = 94919555680992. Its totient is φ = 15694370978000.

The previous prime is 47271445387213. The next prime is 47271445387261. The reversal of 47271445387242 is 24278354417274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15694369473 + ... + 15694372484.

It is an arithmetic number, because the mean of its divisors is an integer number (5932472230062).

Almost surely, 2^{47271445387242} is an apocalyptic number.

47271445387242 is an abundant number, since it is smaller than the sum of its proper divisors (47648110293750).

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

47271445387242 is a wasteful number, since it uses less digits than its factorization.

47271445387242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31388742213.

The product of its digits is 84295680, while the sum is 60.

The spelling of 47271445387242 in words is "forty-seven trillion, two hundred seventy-one billion, four hundred forty-five million, three hundred eighty-seven thousand, two hundred forty-two".