242857260 has 36 divisors (see below), whose sum is σ = 736667568. Its totient is φ = 64761888.

The previous prime is 242857243. The next prime is 242857261. The reversal of 242857260 is 62758242.

242857260 is a `hidden beast` number, since 2 + 4 + 28 + 572 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (242857261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674424 + ... + 674783.

It is an arithmetic number, because the mean of its divisors is an integer number (20462988).

Almost surely, 2^242857260 is an apocalyptic number.

242857260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242857260 is an abundant number, since it is smaller than the sum of its proper divisors (493810308).

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

242857260 is a wasteful number, since it uses less digits than its factorization.

242857260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349222 (or 1349217 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 242857260 is about 15583.8782079430. The cubic root of 242857260 is about 623.9029373189.

The spelling of 242857260 in words is "two hundred forty-two million, eight hundred fifty-seven thousand, two hundred sixty".