230500440 has 48 divisors (see below), whose sum is σ = 749127600. Its totient is φ = 61466688.

The previous prime is 230500429. The next prime is 230500453. The reversal of 230500440 is 44005032.

It is a happy number.

230500440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319780 + ... + 320499.

It is an arithmetic number, because the mean of its divisors is an integer number (15606825).

Almost surely, 2^230500440 is an apocalyptic number.

230500440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230500440 is an abundant number, since it is smaller than the sum of its proper divisors (518627160).

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

230500440 is a wasteful number, since it uses less digits than its factorization.

230500440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640296 (or 640289 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 230500440 is about 15182.2409413103. The cubic root of 230500440 is about 613.1366164446.

Adding to 230500440 its reverse (44005032), we get a palindrome (274505472).

The spelling of 230500440 in words is "two hundred thirty million, five hundred thousand, four hundred forty".