242403531436 has 24 divisors (see below), whose sum is σ = 477698457600. Its totient is φ = 106629118800.

The previous prime is 242403531413. The next prime is 242403531473. The reversal of 242403531436 is 634135304242.

It is a junction number, because it is equal to n+sod(n) for n = 242403531395 and 242403531404.

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, 88856236 + ... + 88858963.

It is an arithmetic number, because the mean of its divisors is an integer number (19904102400).

Almost surely, 2^242403531436 is an apocalyptic number.

It is an amenable number.

242403531436 is a deficient number, since it is larger than the sum of its proper divisors (235294926164).

242403531436 is a wasteful number, since it uses less digits than its factorization.

242403531436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177715245 (or 177715243 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 242403531436 its reverse (634135304242), we get a palindrome (876538835678).

The spelling of 242403531436 in words is "two hundred forty-two billion, four hundred three million, five hundred thirty-one thousand, four hundred thirty-six".