3204143320240 has 40 divisors (see below), whose sum is σ = 7450256925360. Its totient is φ = 1281550023936.

The previous prime is 3204143320163. The next prime is 3204143320249. The reversal of 3204143320240 is 420233414023.

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

It is a super-2 number, since 2×3204143320240² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3204143320199 and 3204143320208.

It is not an unprimeable number, because it can be changed into a prime (3204143320249) 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, 711675 + ... + 2629594.

It is an arithmetic number, because the mean of its divisors is an integer number (186256423134).

Almost surely, 2^{3204143320240} is an apocalyptic number.

It is an amenable number.

3204143320240 is an abundant number, since it is smaller than the sum of its proper divisors (4246113605120).

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

3204143320240 is a wasteful number, since it uses less digits than its factorization.

3204143320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353269 (or 3353263 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 3204143320240 its reverse (420233414023), we get a palindrome (3624376734263).

The spelling of 3204143320240 in words is "three trillion, two hundred four billion, one hundred forty-three million, three hundred twenty thousand, two hundred forty".