230315440 has 40 divisors (see below), whose sum is σ = 538322688. Its totient is φ = 91637760.

The previous prime is 230315429. The next prime is 230315453. The reversal of 230315440 is 44513032.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7744 + ... + 22816.

Almost surely, 2^230315440 is an apocalyptic number.

230315440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230315440 is an abundant number, since it is smaller than the sum of its proper divisors (308007248).

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

230315440 is a wasteful number, since it uses less digits than its factorization.

230315440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277 (or 15271 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 230315440 is about 15176.1470736152. The cubic root of 230315440 is about 612.9725377498.

Adding to 230315440 its reverse (44513032), we get a palindrome (274828472).

The spelling of 230315440 in words is "two hundred thirty million, three hundred fifteen thousand, four hundred forty".