234030440430 has 64 divisors (see below), whose sum is σ = 628636610880. Its totient is φ = 61952573952.

The previous prime is 234030440401. The next prime is 234030440437. The reversal of 234030440430 is 34044030432.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 234030440394 and 234030440403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234030440437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3126439 + ... + 3200418.

It is an arithmetic number, because the mean of its divisors is an integer number (9822447045).

Almost surely, 2^234030440430 is an apocalyptic number.

234030440430 is an abundant number, since it is smaller than the sum of its proper divisors (394606170450).

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

234030440430 is a wasteful number, since it uses less digits than its factorization.

234030440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6327010 (or 6327004 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 234030440430 its reverse (34044030432), we get a palindrome (268074470862).

The spelling of 234030440430 in words is "two hundred thirty-four billion, thirty million, four hundred forty thousand, four hundred thirty".