3230440240 has 40 divisors (see below), whose sum is σ = 7516840320. Its totient is φ = 1291132416.

The previous prime is 3230440207. The next prime is 3230440247. The reversal of 3230440240 is 420440323.

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

It is a super-2 number, since 2×3230440240² = 20871488288422515200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3230440247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87457 + ... + 118783.

It is an arithmetic number, because the mean of its divisors is an integer number (187921008).

Almost surely, 2^3230440240 is an apocalyptic number.

It is an amenable number.

3230440240 is an abundant number, since it is smaller than the sum of its proper divisors (4286400080).

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

3230440240 is a wasteful number, since it uses less digits than its factorization.

3230440240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32629 (or 32623 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3230440240 is about 56836.9619174002. The cubic root of 3230440240 is about 1478.2704778484.

Adding to 3230440240 its reverse (420440323), we get a palindrome (3650880563).

The spelling of 3230440240 in words is "three billion, two hundred thirty million, four hundred forty thousand, two hundred forty".