325311840 has 288 divisors, whose sum is σ = 1292578560. Its totient is φ = 72963072.

The previous prime is 325311823. The next prime is 325311859. The reversal of 325311840 is 48113523.

It is a happy number.

325311840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 594447 + ... + 594993.

It is an arithmetic number, because the mean of its divisors is an integer number (4488120).

Almost surely, 2^325311840 is an apocalyptic number.

325311840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325311840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646289280).

325311840 is an abundant number, since it is smaller than the sum of its proper divisors (967266720).

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

325311840 is a wasteful number, since it uses less digits than its factorization.

325311840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 325311840 is about 18036.4031891062. The cubic root of 325311840 is about 687.7542614358.

The spelling of 325311840 in words is "three hundred twenty-five million, three hundred eleven thousand, eight hundred forty".