242490579 has 8 divisors (see below), whose sum is σ = 327413760. Its totient is φ = 159613896.

The previous prime is 242490571. The next prime is 242490583. The reversal of 242490579 is 975094242.

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

It is not a de Polignac number, because 242490579 - 2³ = 242490571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242490579.

It is not an unprimeable number, because it can be changed into a prime (242490571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511347 + ... + 511820.

It is an arithmetic number, because the mean of its divisors is an integer number (40926720).

Almost surely, 2^242490579 is an apocalyptic number.

242490579 is a deficient number, since it is larger than the sum of its proper divisors (84923181).

242490579 is a wasteful number, since it uses less digits than its factorization.

242490579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023249.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 242490579 is about 15572.1090093796. The cubic root of 242490579 is about 623.5887766629.

The spelling of 242490579 in words is "two hundred forty-two million, four hundred ninety thousand, five hundred seventy-nine".