325857240 has 96 divisors (see below), whose sum is σ = 1066927680. Its totient is φ = 86247936.

The previous prime is 325857223. The next prime is 325857281. The reversal of 325857240 is 42758523.

325857240 is a `hidden beast` number, since 3 + 2 + 585 + 72 + 4 + 0 = 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 = 325857195 and 325857204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46017 + ... + 52623.

It is an arithmetic number, because the mean of its divisors is an integer number (11113830).

Almost surely, 2^325857240 is an apocalyptic number.

325857240 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 325857240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533463840).

325857240 is an abundant number, since it is smaller than the sum of its proper divisors (741070440).

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

325857240 is a wasteful number, since it uses less digits than its factorization.

325857240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 325857240 is about 18051.5162798032. The cubic root of 325857240 is about 688.1383972079.

The spelling of 325857240 in words is "three hundred twenty-five million, eight hundred fifty-seven thousand, two hundred forty".