242943660 has 36 divisors (see below), whose sum is σ = 736929648. Its totient is φ = 64784928.

The previous prime is 242943619. The next prime is 242943661. The reversal of 242943660 is 66349242.

242943660 is a `hidden beast` number, since 2 + 4 + 294 + 366 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (242943661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674664 + ... + 675023.

It is an arithmetic number, because the mean of its divisors is an integer number (20470268).

Almost surely, 2^242943660 is an apocalyptic number.

242943660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242943660 is an abundant number, since it is smaller than the sum of its proper divisors (493985988).

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

242943660 is a wasteful number, since it uses less digits than its factorization.

242943660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349702 (or 1349697 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 242943660 is about 15586.6500570199. The cubic root of 242943660 is about 623.9769160593.

The spelling of 242943660 in words is "two hundred forty-two million, nine hundred forty-three thousand, six hundred sixty".