230542440 has 64 divisors (see below), whose sum is σ = 732317760. Its totient is φ = 57861120.

The previous prime is 230542439. The next prime is 230542453. The reversal of 230542440 is 44245032.

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

It is a self number, because there is not a number n which added to its sum of digits gives 230542440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54466 + ... + 58545.

It is an arithmetic number, because the mean of its divisors is an integer number (11442465).

Almost surely, 2^230542440 is an apocalyptic number.

230542440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230542440 is an abundant number, since it is smaller than the sum of its proper divisors (501775320).

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

230542440 is a wasteful number, since it uses less digits than its factorization.

230542440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113042 (or 113038 counting only the distinct ones).

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

The square root of 230542440 is about 15183.6240733232. The cubic root of 230542440 is about 613.1738545137.

Adding to 230542440 its reverse (44245032), we get a palindrome (274787472).

The spelling of 230542440 in words is "two hundred thirty million, five hundred forty-two thousand, four hundred forty".