242351781552 has 60 divisors (see below), whose sum is σ = 678291479424. Its totient is φ = 80778794880.

The previous prime is 242351781541. The next prime is 242351781557. The reversal of 242351781552 is 255187153242.

242351781552 is a `hidden beast` number, since 2 + 4 + 2 + 3 + 5 + 17 + 81 + 552 = 666.

242351781552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242351781498 and 242351781507.

It is not an unprimeable number, because it can be changed into a prime (242351781557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2718193 + ... + 2805935.

Almost surely, 2^242351781552 is an apocalyptic number.

It is an amenable number.

242351781552 is an abundant number, since it is smaller than the sum of its proper divisors (435939697872).

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

242351781552 is a wasteful number, since it uses less digits than its factorization.

242351781552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106938 (or 106929 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 242351781552 in words is "two hundred forty-two billion, three hundred fifty-one million, seven hundred eighty-one thousand, five hundred fifty-two".