3240004440 has 64 divisors (see below), whose sum is σ = 9727077600. Its totient is φ = 863373312.

The previous prime is 3240004409. The next prime is 3240004441. The reversal of 3240004440 is 444000423.

3240004440 is a modest number, since divided by 4440 gives 3240 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240004441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169614 + ... + 187746.

Almost surely, 2^3240004440 is an apocalyptic number.

3240004440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3240004440 is an abundant number, since it is smaller than the sum of its proper divisors (6487073160).

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

3240004440 is a wasteful number, since it uses less digits than its factorization.

3240004440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19636 (or 19632 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 3240004440 is about 56921.0368844419. The cubic root of 3240004440 is about 1479.7279205228.

Adding to 3240004440 its reverse (444000423), we get a palindrome (3684004863).

The spelling of 3240004440 in words is "three billion, two hundred forty million, four thousand, four hundred forty".