243203250450 has 48 divisors (see below), whose sum is σ = 603482999616. Its totient is φ = 64817755200.

The previous prime is 243203250443. The next prime is 243203250461. The reversal of 243203250450 is 54052302342.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 187221 + ... + 722120.

It is an arithmetic number, because the mean of its divisors is an integer number (12572562492).

Almost surely, 2^243203250450 is an apocalyptic number.

243203250450 is an abundant number, since it is smaller than the sum of its proper divisors (360279749166).

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

243203250450 is a wasteful number, since it uses less digits than its factorization.

243203250450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911139 (or 911134 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 243203250450 its reverse (54052302342), we get a palindrome (297255552792).

The spelling of 243203250450 in words is "two hundred forty-three billion, two hundred three million, two hundred fifty thousand, four hundred fifty".