230336640 has 96 divisors (see below), whose sum is σ = 795401100. Its totient is φ = 61421568.

The previous prime is 230336627. The next prime is 230336657. The reversal of 230336640 is 46633032.

It can be written as a sum of positive squares in 2 ways, for example, as 215032896 + 15303744 = 14664^2 + 3912^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 16.

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, 14235 + ... + 25754.

Almost surely, 2^230336640 is an apocalyptic number.

230336640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230336640 is an abundant number, since it is smaller than the sum of its proper divisors (565064460).

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

230336640 is a wasteful number, since it uses less digits than its factorization.

230336640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40014 (or 39999 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 230336640 is about 15176.8455220444. The cubic root of 230336640 is about 612.9913447377.

Adding to 230336640 its reverse (46633032), we get a palindrome (276969672).

The spelling of 230336640 in words is "two hundred thirty million, three hundred thirty-six thousand, six hundred forty".