242506664 has 16 divisors (see below), whose sum is σ = 474469920. Its totient is φ = 115981360.

The previous prime is 242506643. The next prime is 242506679. The reversal of 242506664 is 466605242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658802 + ... + 659169.

It is an arithmetic number, because the mean of its divisors is an integer number (29654370).

Almost surely, 2^242506664 is an apocalyptic number.

It is an amenable number.

242506664 is a deficient number, since it is larger than the sum of its proper divisors (231963256).

242506664 is a wasteful number, since it uses less digits than its factorization.

242506664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318000 (or 1317996 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 242506664 is about 15572.6254690723. The cubic root of 242506664 is about 623.6025644201.

The spelling of 242506664 in words is "two hundred forty-two million, five hundred six thousand, six hundred sixty-four".