234042432440 has 64 divisors (see below), whose sum is σ = 554577408000. Its totient is φ = 88647143040.

The previous prime is 234042432433. The next prime is 234042432443. The reversal of 234042432440 is 44234240432.

234042432440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 234042432397 and 234042432406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234042432443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531421 + ... + 1677299.

It is an arithmetic number, because the mean of its divisors is an integer number (8665272000).

Almost surely, 2^234042432440 is an apocalyptic number.

234042432440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234042432440 is an abundant number, since it is smaller than the sum of its proper divisors (320534975560).

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

234042432440 is a wasteful number, since it uses less digits than its factorization.

234042432440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148020 (or 148016 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 234042432440 its reverse (44234240432), we get a palindrome (278276672872).

The spelling of 234042432440 in words is "two hundred thirty-four billion, forty-two million, four hundred thirty-two thousand, four hundred forty".