234322433440 has 48 divisors (see below), whose sum is σ = 555962746248. Its totient is φ = 93326688256.

The previous prime is 234322433413. The next prime is 234322433453. The reversal of 234322433440 is 44334223432.

It can be written as a sum of positive squares in 4 ways, for example, as 199626665616 + 34695767824 = 446796^2 + 186268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 234322433396 and 234322433405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105457 + ... + 3180016.

Almost surely, 2^234322433440 is an apocalyptic number.

234322433440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234322433440 is an abundant number, since it is smaller than the sum of its proper divisors (321640312808).

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

234322433440 is a wasteful number, since it uses less digits than its factorization.

234322433440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285721 (or 6285713 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 234322433440 its reverse (44334223432), we get a palindrome (278656656872).

The spelling of 234322433440 in words is "two hundred thirty-four billion, three hundred twenty-two million, four hundred thirty-three thousand, four hundred forty".