243120046406424 has 128 divisors (see below), whose sum is σ = 665075050732800. Its totient is φ = 73448471255040.

The previous prime is 243120046406411. The next prime is 243120046406429. The reversal of 243120046406424 is 424604640021342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120046406429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179320644 + ... + 180671340.

It is an arithmetic number, because the mean of its divisors is an integer number (5195898833850).

Almost surely, 2^{243120046406424} is an apocalyptic number.

243120046406424 is a gapful number since it is divisible by the number (24) 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 243120046406424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332537525366400).

243120046406424 is an abundant number, since it is smaller than the sum of its proper divisors (421955004326376).

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

243120046406424 is a wasteful number, since it uses less digits than its factorization.

243120046406424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352793 (or 1352789 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

Adding to 243120046406424 its reverse (424604640021342), we get a palindrome (667724686427766).

The spelling of 243120046406424 in words is "two hundred forty-three trillion, one hundred twenty billion, forty-six million, four hundred six thousand, four hundred twenty-four".