242508664 has 8 divisors (see below), whose sum is σ = 454703760. Its totient is φ = 121254328.

The previous prime is 242508569. The next prime is 242508677. The reversal of 242508664 is 466805242.

242508664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156784 + ... + 15156799.

It is an arithmetic number, because the mean of its divisors is an integer number (56837970).

Almost surely, 2^242508664 is an apocalyptic number.

It is an amenable number.

242508664 is a deficient number, since it is larger than the sum of its proper divisors (212195096).

242508664 is a wasteful number, since it uses less digits than its factorization.

242508664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30313589 (or 30313585 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 242508664 is about 15572.6896841875. The cubic root of 242508664 is about 623.6042787396.

The spelling of 242508664 in words is "two hundred forty-two million, five hundred eight thousand, six hundred sixty-four".