243120400014 has 128 divisors (see below), whose sum is σ = 524136614400. Its totient is φ = 75055749120.

The previous prime is 243120400009. The next prime is 243120400031. The reversal of 243120400014 is 410004021342.

It is a super-3 number, since 3×243120400014³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74643874 + ... + 74647130.

It is an arithmetic number, because the mean of its divisors is an integer number (4094817300).

Almost surely, 2^243120400014 is an apocalyptic number.

243120400014 is an abundant number, since it is smaller than the sum of its proper divisors (281016214386).

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

243120400014 is a wasteful number, since it uses less digits than its factorization.

243120400014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 243120400014 its reverse (410004021342), we get a palindrome (653124421356).

The spelling of 243120400014 in words is "two hundred forty-three billion, one hundred twenty million, four hundred thousand, fourteen".