230532240 has 80 divisors (see below), whose sum is σ = 756701568. Its totient is φ = 57858048.

The previous prime is 230532179. The next prime is 230532259. The reversal of 230532240 is 42235032.

230532240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×230532240² = 106290227358835200, which contains 22 as substring.

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, 24172 + ... + 32331.

Almost surely, 2^230532240 is an apocalyptic number.

230532240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230532240 is an abundant number, since it is smaller than the sum of its proper divisors (526169328).

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

230532240 is a wasteful number, since it uses less digits than its factorization.

230532240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56536 (or 56530 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 230532240 is about 15183.2881814184. The cubic root of 230532240 is about 613.1648113984.

Adding to 230532240 its reverse (42235032), we get a palindrome (272767272).

The spelling of 230532240 in words is "two hundred thirty million, five hundred thirty-two thousand, two hundred forty".