242421717424 has 20 divisors (see below), whose sum is σ = 474342497280. Its totient is φ = 120010750400.

The previous prime is 242421717409. The next prime is 242421717449. The reversal of 242421717424 is 424717124242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75005104 + ... + 75008335.

It is an arithmetic number, because the mean of its divisors is an integer number (23717124864).

Almost surely, 2^242421717424 is an apocalyptic number.

It is an amenable number.

242421717424 is a deficient number, since it is larger than the sum of its proper divisors (231920779856).

242421717424 is a wasteful number, since it uses less digits than its factorization.

242421717424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150013548 (or 150013542 counting only the distinct ones).

The product of its digits is 200704, while the sum is 40.

It can be divided in two parts, 2 and 42421717424, that multiplied together give a palindrome (84843434848).

The spelling of 242421717424 in words is "two hundred forty-two billion, four hundred twenty-one million, seven hundred seventeen thousand, four hundred twenty-four".