242102438 has 8 divisors (see below), whose sum is σ = 363315432. Its totient is φ = 120997296.

The previous prime is 242102431. The next prime is 242102447. The reversal of 242102438 is 834201242.

242102438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×242102438² = 117227180971087688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242102431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21095 + ... + 30482.

It is an arithmetic number, because the mean of its divisors is an integer number (45414429).

Almost surely, 2^242102438 is an apocalyptic number.

242102438 is a deficient number, since it is larger than the sum of its proper divisors (121212994).

242102438 is a wasteful number, since it uses less digits than its factorization.

242102438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53926.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 242102438 is about 15559.6413197734. The cubic root of 242102438 is about 623.2558845186.

The spelling of 242102438 in words is "two hundred forty-two million, one hundred two thousand, four hundred thirty-eight".