242121024660402 has 48 divisors (see below), whose sum is σ = 530112977629560. Its totient is φ = 79861937965056.

The previous prime is 242121024660391. The next prime is 242121024660407. The reversal of 242121024660402 is 204066420121242.

242121024660402 is a `hidden beast` number, since 2 + 4 + 2 + 1 + 2 + 1 + 0 + 2 + 46 + 604 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 133020722638521 + 109100302021881 = 11533461^2 + 10445109^2 .

It is not an unprimeable number, because it can be changed into a prime (242121024660407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156071127 + ... + 157614842.

Almost surely, 2^{242121024660402} is an apocalyptic number.

242121024660402 is an abundant number, since it is smaller than the sum of its proper divisors (287991952969158).

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

242121024660402 is a wasteful number, since it uses less digits than its factorization.

242121024660402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313686427 (or 313686424 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 242121024660402 its reverse (204066420121242), we get a palindrome (446187444781644).

The spelling of 242121024660402 in words is "two hundred forty-two trillion, one hundred twenty-one billion, twenty-four million, six hundred sixty thousand, four hundred two".