230245440 has 112 divisors (see below), whose sum is σ = 734129088. Its totient is φ = 61138944.

The previous prime is 230245391. The next prime is 230245441. The reversal of 230245440 is 44542032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 230245440.

It is not an unprimeable number, because it can be changed into a prime (230245441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357759 + ... + 358401.

It is an arithmetic number, because the mean of its divisors is an integer number (6554724).

Almost surely, 2^230245440 is an apocalyptic number.

230245440 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 230245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367064544).

230245440 is an abundant number, since it is smaller than the sum of its proper divisors (503883648).

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

230245440 is a wasteful number, since it uses less digits than its factorization.

230245440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 230245440 is about 15173.8406476409. The cubic root of 230245440 is about 612.9104310069.

Adding to 230245440 its reverse (44542032), we get a palindrome (274787472).

The spelling of 230245440 in words is "two hundred thirty million, two hundred forty-five thousand, four hundred forty".