242500660 has 12 divisors (see below), whose sum is σ = 509251428. Its totient is φ = 97000256.

The previous prime is 242500579. The next prime is 242500669. The reversal of 242500660 is 66005242.

It can be written as a sum of positive squares in 2 ways, for example, as 143856036 + 98644624 = 11994^2 + 9932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242500669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6062497 + ... + 6062536.

It is an arithmetic number, because the mean of its divisors is an integer number (42437619).

Almost surely, 2^242500660 is an apocalyptic number.

242500660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242500660 is an abundant number, since it is smaller than the sum of its proper divisors (266750768).

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

242500660 is a wasteful number, since it uses less digits than its factorization.

242500660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125042 (or 12125040 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 242500660 is about 15572.4326937059. The cubic root of 242500660 is about 623.5974179764.

The spelling of 242500660 in words is "two hundred forty-two million, five hundred thousand, six hundred sixty".