325401440 has 96 divisors (see below), whose sum is σ = 946209600. Its totient is φ = 102979584.

The previous prime is 325401413. The next prime is 325401463. The reversal of 325401440 is 44104523.

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, 3386 + ... + 25734.

It is an arithmetic number, because the mean of its divisors is an integer number (9856350).

Almost surely, 2^325401440 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 325401440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473104800).

325401440 is an abundant number, since it is smaller than the sum of its proper divisors (620808160).

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

325401440 is a wasteful number, since it uses less digits than its factorization.

325401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22384 (or 22376 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 325401440 is about 18038.8868836190. The cubic root of 325401440 is about 687.8173979073.

Adding to 325401440 its reverse (44104523), we get a palindrome (369505963).

The spelling of 325401440 in words is "three hundred twenty-five million, four hundred one thousand, four hundred forty".