325299240 has 288 divisors, whose sum is σ = 1277246880. Its totient is φ = 74245248.

The previous prime is 325299229. The next prime is 325299253. The reversal of 325299240 is 42992523.

325299240 is a `hidden beast` number, since 3 + 2 + 529 + 92 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 325299195 and 325299204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 475939 + ... + 476621.

It is an arithmetic number, because the mean of its divisors is an integer number (4434885).

Almost surely, 2^325299240 is an apocalyptic number.

325299240 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 325299240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638623440).

325299240 is an abundant number, since it is smaller than the sum of its proper divisors (951947640).

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

325299240 is a wasteful number, since it uses less digits than its factorization.

325299240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 325299240 is about 18036.0538921351. The cubic root of 325299240 is about 687.7453819397.

The spelling of 325299240 in words is "three hundred twenty-five million, two hundred ninety-nine thousand, two hundred forty".