325448816 has 160 divisors (see below), whose sum is σ = 854945280. Its totient is φ = 116121600.

The previous prime is 325448813. The next prime is 325448831. The reversal of 325448816 is 618844523.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325448813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858515 + ... + 858893.

It is an arithmetic number, because the mean of its divisors is an integer number (5343408).

Almost surely, 2^325448816 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 325448816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427472640).

325448816 is an abundant number, since it is smaller than the sum of its proper divisors (529496464).

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

325448816 is a wasteful number, since it uses less digits than its factorization.

325448816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 457 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 325448816 is about 18040.1999988914. The cubic root of 325448816 is about 687.8507766325.

The spelling of 325448816 in words is "three hundred twenty-five million, four hundred forty-eight thousand, eight hundred sixteen".