242490656 has 24 divisors (see below), whose sum is σ = 498161664. Its totient is φ = 115973440.

The previous prime is 242490641. The next prime is 242490671. The reversal of 242490656 is 656094242.

It is an interprime number because it is at equal distance from previous prime (242490641) and next prime (242490671).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164000 + ... + 165471.

It is an arithmetic number, because the mean of its divisors is an integer number (20756736).

Almost surely, 2^242490656 is an apocalyptic number.

It is an amenable number.

242490656 is an abundant number, since it is smaller than the sum of its proper divisors (255671008).

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

242490656 is a wasteful number, since it uses less digits than its factorization.

242490656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329504 (or 329496 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 242490656 is about 15572.1114817484. Note that the first 3 decimals coincide. The cubic root of 242490656 is about 623.5888426673.

The spelling of 242490656 in words is "two hundred forty-two million, four hundred ninety thousand, six hundred fifty-six".