243240504054 has 16 divisors (see below), whose sum is σ = 486516855792. Its totient is φ = 81074193408.

The previous prime is 243240503999. The next prime is 243240504077. The reversal of 243240504054 is 450405042342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405039 + ... + 1568634.

It is an arithmetic number, because the mean of its divisors is an integer number (30407303487).

Almost surely, 2^243240504054 is an apocalyptic number.

243240504054 is an abundant number, since it is smaller than the sum of its proper divisors (243276351738).

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

243240504054 is a wasteful number, since it uses less digits than its factorization.

243240504054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987311.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 243240504054 its reverse (450405042342), we get a palindrome (693645546396).

The spelling of 243240504054 in words is "two hundred forty-three billion, two hundred forty million, five hundred four thousand, fifty-four".