242254660 has 24 divisors (see below), whose sum is σ = 509183640. Its totient is φ = 96816384.

The previous prime is 242254633. The next prime is 242254667. The reversal of 242254660 is 66452242.

It can be written as a sum of positive squares in 4 ways, for example, as 4293184 + 237961476 = 2072^2 + 15426^2 .

It is not an unprimeable number, because it can be changed into a prime (242254667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21082 + ... + 30478.

It is an arithmetic number, because the mean of its divisors is an integer number (21215985).

Almost surely, 2^242254660 is an apocalyptic number.

242254660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242254660 is an abundant number, since it is smaller than the sum of its proper divisors (266928980).

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

242254660 is a wasteful number, since it uses less digits than its factorization.

242254660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10695 (or 10693 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 242254660 is about 15564.5321163214. The cubic root of 242254660 is about 623.3864812763.

The spelling of 242254660 in words is "two hundred forty-two million, two hundred fifty-four thousand, six hundred sixty".