234253130440 has 32 divisors (see below), whose sum is σ = 602365193280. Its totient is φ = 80315358912.

The previous prime is 234253130429. The next prime is 234253130471. The reversal of 234253130440 is 44031352432.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418308882 + ... + 418309441.

It is an arithmetic number, because the mean of its divisors is an integer number (18823912290).

Almost surely, 2^234253130440 is an apocalyptic number.

234253130440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234253130440 is an abundant number, since it is smaller than the sum of its proper divisors (368112062840).

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

234253130440 is a wasteful number, since it uses less digits than its factorization.

234253130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836618341 (or 836618337 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 234253130440 its reverse (44031352432), we get a palindrome (278284482872).

The spelling of 234253130440 in words is "two hundred thirty-four billion, two hundred fifty-three million, one hundred thirty thousand, four hundred forty".