242843580 has 144 divisors (see below), whose sum is σ = 864776640. Its totient is φ = 53996544.

The previous prime is 242843569. The next prime is 242843599. The reversal of 242843580 is 85348242.

242843580 is a `hidden beast` number, since 24 + 284 + 358 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44016 + ... + 49224.

Almost surely, 2^242843580 is an apocalyptic number.

242843580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242843580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432388320).

242843580 is an abundant number, since it is smaller than the sum of its proper divisors (621933060).

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

242843580 is a wasteful number, since it uses less digits than its factorization.

242843580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 242843580 is about 15583.4392866273. The cubic root of 242843580 is about 623.8912224095.

The spelling of 242843580 in words is "two hundred forty-two million, eight hundred forty-three thousand, five hundred eighty".