234332343440 has 80 divisors (see below), whose sum is σ = 587989741248. Its totient is φ = 86337259008.

The previous prime is 234332343439. The next prime is 234332343461. The reversal of 234332343440 is 44343233432.

234332343440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×234332343440² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234332343440.

It is an unprimeable number.

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, 244439 + ... + 726921.

Almost surely, 2^234332343440 is an apocalyptic number.

234332343440 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 234332343440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293994870624).

234332343440 is an abundant number, since it is smaller than the sum of its proper divisors (353657397808).

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

234332343440 is a wasteful number, since it uses less digits than its factorization.

234332343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482976 (or 482970 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 35.

Adding to 234332343440 its reverse (44343233432), we get a palindrome (278675576872).

The spelling of 234332343440 in words is "two hundred thirty-four billion, three hundred thirty-two million, three hundred forty-three thousand, four hundred forty".