243025450000 has 120 divisors (see below), whose sum is σ = 602899302600. Its totient is φ = 94838400000.

The previous prime is 243025449973. The next prime is 243025450033. The reversal of 243025450000 is 54520342.

243025450000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 242111234304 + 914215696 = 492048^2 + 30236^2 .

It is a super-2 number, since 2×243025450000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1990726 + ... + 2109274.

It is an arithmetic number, because the mean of its divisors is an integer number (5024160855).

Almost surely, 2^243025450000 is an apocalyptic number.

243025450000 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 243025450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301449651300).

243025450000 is an abundant number, since it is smaller than the sum of its proper divisors (359873852600).

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

243025450000 is an equidigital number, since it uses as much as digits as its factorization.

243025450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118623 (or 118597 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 243025450000 its reverse (54520342), we get a palindrome (243079970342).

The spelling of 243025450000 in words is "two hundred forty-three billion, twenty-five million, four hundred fifty thousand".