242509774 has 16 divisors (see below), whose sum is σ = 405256320. Its totient is φ = 108067680.

The previous prime is 242509753. The next prime is 242509819. The reversal of 242509774 is 477905242.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160062 + ... + 161569.

It is an arithmetic number, because the mean of its divisors is an integer number (25328520).

Almost surely, 2^242509774 is an apocalyptic number.

242509774 is a deficient number, since it is larger than the sum of its proper divisors (162746546).

242509774 is a wasteful number, since it uses less digits than its factorization.

242509774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321675.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 242509774 is about 15572.7253234622. The cubic root of 242509774 is about 623.6052301829.

The spelling of 242509774 in words is "two hundred forty-two million, five hundred nine thousand, seven hundred seventy-four".