242664464 has 30 divisors (see below), whose sum is σ = 546925374. Its totient is φ = 103998720.

The previous prime is 242664427. The next prime is 242664473. The reversal of 242664464 is 464466242.

It can be written as a sum of positive squares in only one way, i.e., 204718864 + 37945600 = 14308^2 + 6160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153977 + ... + 155544.

Almost surely, 2^242664464 is an apocalyptic number.

It is an amenable number.

242664464 is an abundant number, since it is smaller than the sum of its proper divisors (304260910).

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

242664464 is a wasteful number, since it uses less digits than its factorization.

242664464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309543 (or 309530 counting only the distinct ones).

The product of its digits is 221184, while the sum is 38.

The square root of 242664464 is about 15577.6912281634. The cubic root of 242664464 is about 623.7377952721.

The spelling of 242664464 in words is "two hundred forty-two million, six hundred sixty-four thousand, four hundred sixty-four".