239447224242 has 18 divisors (see below), whose sum is σ = 518806817373. Its totient is φ = 79815049392.

The previous prime is 239447224187. The next prime is 239447224243. The reversal of 239447224242 is 242422744932.

239447224242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213712968681 + 25734255561 = 462291^2 + 160419^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=346011.

It is not an unprimeable number, because it can be changed into a prime (239447224243) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2018398 + ... + 2133734.

Almost surely, 2^239447224242 is an apocalyptic number.

239447224242 is an abundant number, since it is smaller than the sum of its proper divisors (279359593131).

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

239447224242 is an frugal number, since it uses more digits than its factorization.

239447224242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230682 (or 115342 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 239447224242 in words is "two hundred thirty-nine billion, four hundred forty-seven million, two hundred twenty-four thousand, two hundred forty-two".