325842471040 has 128 divisors (see below), whose sum is σ = 789491934000. Its totient is φ = 128582615040.

The previous prime is 325842471023. The next prime is 325842471137. The reversal of 325842471040 is 40174248523.

It can be written as a sum of positive squares in 8 ways, for example, as 6960898624 + 318881572416 = 83432^2 + 564696^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 325842470984 and 325842471002.

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, 26252356 + ... + 26264764.

Almost surely, 2^325842471040 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 325842471040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394745967000).

325842471040 is an abundant number, since it is smaller than the sum of its proper divisors (463649462960).

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

325842471040 is a wasteful number, since it uses less digits than its factorization.

325842471040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12978 (or 12966 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 325842471040 in words is "three hundred twenty-five billion, eight hundred forty-two million, four hundred seventy-one thousand, forty".