242042566 has 32 divisors (see below), whose sum is σ = 390994560. Its totient is φ = 111974400.

The previous prime is 242042551. The next prime is 242042579. The reversal of 242042566 is 665240242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893011 + ... + 893281.

It is an arithmetic number, because the mean of its divisors is an integer number (12218580).

Almost surely, 2^242042566 is an apocalyptic number.

242042566 is a deficient number, since it is larger than the sum of its proper divisors (148951994).

242042566 is a wasteful number, since it uses less digits than its factorization.

242042566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 242042566 is about 15557.7172490054. The cubic root of 242042566 is about 623.2045031652.

The spelling of 242042566 in words is "two hundred forty-two million, forty-two thousand, five hundred sixty-six".