325140816 has 320 divisors, whose sum is σ = 1155926016. Its totient is φ = 76032000.

The previous prime is 325140757. The next prime is 325140833. The reversal of 325140816 is 618041523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3219166 + ... + 3219266.

Almost surely, 2^325140816 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 325140816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577963008).

325140816 is an abundant number, since it is smaller than the sum of its proper divisors (830785200).

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

325140816 is a wasteful number, since it uses less digits than its factorization.

325140816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 325140816 is about 18031.6614875058. The cubic root of 325140816 is about 687.6337175057.

It can be divided in two parts, 325 and 140816, that added together give a palindrome (141141).

The spelling of 325140816 in words is "three hundred twenty-five million, one hundred forty thousand, eight hundred sixteen".