242064664 has 32 divisors (see below), whose sum is σ = 468377280. Its totient is φ = 117218304.

The previous prime is 242064661. The next prime is 242064671. The reversal of 242064664 is 466460242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242064661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33154 + ... + 39790.

It is an arithmetic number, because the mean of its divisors is an integer number (14636790).

Almost surely, 2^242064664 is an apocalyptic number.

It is an amenable number.

242064664 is a deficient number, since it is larger than the sum of its proper divisors (226312616).

242064664 is a wasteful number, since it uses less digits than its factorization.

242064664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787 (or 6783 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 242064664 is about 15558.4274269606. The cubic root of 242064664 is about 623.2234683610.

The spelling of 242064664 in words is "two hundred forty-two million, sixty-four thousand, six hundred sixty-four".