325642405044 has 192 divisors, whose sum is σ = 861450670080. Its totient is φ = 94884480000.

The previous prime is 325642404991. The next prime is 325642405057. The reversal of 325642405044 is 440504246523.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 325642404993 and 325642405011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127651569 + ... + 127654119.

It is an arithmetic number, because the mean of its divisors is an integer number (4486722240).

Almost surely, 2^325642405044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325642405044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430725335040).

325642405044 is an abundant number, since it is smaller than the sum of its proper divisors (535808265036).

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

325642405044 is a wasteful number, since it uses less digits than its factorization.

325642405044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 325642405044 in words is "three hundred twenty-five billion, six hundred forty-two million, four hundred five thousand, forty-four".