242880438 has 8 divisors (see below), whose sum is σ = 485760888. Its totient is φ = 80960144.

The previous prime is 242880431. The next prime is 242880527. The reversal of 242880438 is 834088242.

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

242880438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 242880396 and 242880405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242880431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20240031 + ... + 20240042.

It is an arithmetic number, because the mean of its divisors is an integer number (60720111).

Almost surely, 2^242880438 is an apocalyptic number.

242880438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242880438 is a wasteful number, since it uses less digits than its factorization.

242880438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40480078.

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 242880438 is about 15584.6218433429. The cubic root of 242880438 is about 623.9227848654.

The spelling of 242880438 in words is "two hundred forty-two million, eight hundred eighty thousand, four hundred thirty-eight".