325122840 has 192 divisors, whose sum is σ = 1232712000. Its totient is φ = 74285568.

The previous prime is 325122827. The next prime is 325122859. The reversal of 325122840 is 48221523.

It is a super-2 number, since 2×325122840² = 211409722179331200, which contains 22 as substring.

It is a congruent number.

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, 122164 + ... + 124796.

It is an arithmetic number, because the mean of its divisors is an integer number (6420375).

Almost surely, 2^325122840 is an apocalyptic number.

325122840 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 325122840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616356000).

325122840 is an abundant number, since it is smaller than the sum of its proper divisors (907589160).

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

325122840 is a wasteful number, since it uses less digits than its factorization.

325122840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 325122840 is about 18031.1630240537. The cubic root of 325122840 is about 687.6210449128.

The spelling of 325122840 in words is "three hundred twenty-five million, one hundred twenty-two thousand, eight hundred forty".