242104172438 has 16 divisors (see below), whose sum is σ = 366705081600. Its totient is φ = 119869293096.

The previous prime is 242104172417. The next prime is 242104172447. The reversal of 242104172438 is 834271401242.

It is a super-2 number, since 2×242104172438² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4759463 + ... + 4810061.

It is an arithmetic number, because the mean of its divisors is an integer number (22919067600).

Almost surely, 2^242104172438 is an apocalyptic number.

242104172438 is a deficient number, since it is larger than the sum of its proper divisors (124600909162).

242104172438 is a wasteful number, since it uses less digits than its factorization.

242104172438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73931.

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 242104172438 in words is "two hundred forty-two billion, one hundred four million, one hundred seventy-two thousand, four hundred thirty-eight".