325290240 has 432 divisors, whose sum is σ = 1308617856. Its totient is φ = 73728000.

The previous prime is 325290239. The next prime is 325290253. The reversal of 325290240 is 42092523.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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, 2154165 + ... + 2154315.

It is an arithmetic number, because the mean of its divisors is an integer number (3029208).

Almost surely, 2^325290240 is an apocalyptic number.

325290240 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 325290240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654308928).

325290240 is an abundant number, since it is smaller than the sum of its proper divisors (983327616).

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

325290240 is a wasteful number, since it uses less digits than its factorization.

325290240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 325290240 is about 18035.8043901568. The cubic root of 325290240 is about 687.7390393022.

The spelling of 325290240 in words is "three hundred twenty-five million, two hundred ninety thousand, two hundred forty".