242663503554 has 48 divisors (see below), whose sum is σ = 527401300608. Its totient is φ = 80637248736.

The previous prime is 242663503541. The next prime is 242663503571. The reversal of 242663503554 is 455305366242.

242663503554 is a `hidden beast` number, since 2 + 4 + 2 + 6 + 635 + 0 + 3 + 5 + 5 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13618519 + ... + 13636325.

It is an arithmetic number, because the mean of its divisors is an integer number (10987527096).

Almost surely, 2^242663503554 is an apocalyptic number.

242663503554 is an abundant number, since it is smaller than the sum of its proper divisors (284737797054).

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

242663503554 is a wasteful number, since it uses less digits than its factorization.

242663503554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20119 (or 20116 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 242663503554 its reverse (455305366242), we get a palindrome (697968869796).

The spelling of 242663503554 in words is "two hundred forty-two billion, six hundred sixty-three million, five hundred three thousand, five hundred fifty-four".