234203330440 has 64 divisors (see below), whose sum is σ = 539433797760. Its totient is φ = 91465113600.

The previous prime is 234203330429. The next prime is 234203330461. The reversal of 234203330440 is 44033302432.

234203330440 is digitally balanced in base 3, 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 = 234203330399 and 234203330408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4361032 + ... + 4414408.

It is an arithmetic number, because the mean of its divisors is an integer number (8428653090).

Almost surely, 2^234203330440 is an apocalyptic number.

234203330440 is a gapful number since it is divisible by the number (20) 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 234203330440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269716898880).

234203330440 is an abundant number, since it is smaller than the sum of its proper divisors (305230467320).

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

234203330440 is a wasteful number, since it uses less digits than its factorization.

234203330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55982 (or 55978 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 234203330440 its reverse (44033302432), we get a palindrome (278236632872).

The spelling of 234203330440 in words is "two hundred thirty-four billion, two hundred three million, three hundred thirty thousand, four hundred forty".