325402440404 has 48 divisors (see below), whose sum is σ = 576344874000. Its totient is φ = 160746356736.

The previous prime is 325402440371. The next prime is 325402440431. The reversal of 325402440404 is 404044204523.

It can be written as a sum of positive squares in 8 ways, for example, as 43655923600 + 281746516804 = 208940^2 + 530798^2 .

It is a congruent number.

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, 121011092 + ... + 121013780.

It is an arithmetic number, because the mean of its divisors is an integer number (12007184875).

Almost surely, 2^325402440404 is an apocalyptic number.

It is an amenable number.

325402440404 is a deficient number, since it is larger than the sum of its proper divisors (250942433596).

325402440404 is a wasteful number, since it uses less digits than its factorization.

325402440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3850 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 325402440404 its reverse (404044204523), we get a palindrome (729446644927).

The spelling of 325402440404 in words is "three hundred twenty-five billion, four hundred two million, four hundred forty thousand, four hundred four".