242550000000 has 1296 divisors, whose sum is σ = 1107157636260. Its totient is φ = 50400000000.

The previous prime is 242549999999. The next prime is 242550000023. The reversal of 242550000000 is 55242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 22049999995 + ... + 22050000005.

Almost surely, 2^242550000000 is an apocalyptic number.

242550000000 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 242550000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553578818130).

242550000000 is an abundant number, since it is smaller than the sum of its proper divisors (864607636260).

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

242550000000 is an frugal number, since it uses more digits than its factorization.

242550000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

Adding to 242550000000 its reverse (55242), we get a palindrome (242550055242).

The spelling of 242550000000 in words is "two hundred forty-two billion, five hundred fifty million", and thus it is an aban number.