242541200 has 120 divisors (see below), whose sum is σ = 641179200. Its totient is φ = 87436800.

The previous prime is 242541191. The next prime is 242541203. The reversal of 242541200 is 2145242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (242541203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875462 + ... + 875738.

It is an arithmetic number, because the mean of its divisors is an integer number (5343160).

Almost surely, 2^242541200 is an apocalyptic number.

242541200 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 242541200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320589600).

242541200 is an abundant number, since it is smaller than the sum of its proper divisors (398638000).

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

242541200 is a wasteful number, since it uses less digits than its factorization.

242541200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 242541200 is about 15573.7342984912. The cubic root of 242541200 is about 623.6321659652.

Adding to 242541200 its reverse (2145242), we get a palindrome (244686442).

The spelling of 242541200 in words is "two hundred forty-two million, five hundred forty-one thousand, two hundred".