325461840 has 320 divisors, whose sum is σ = 1169068032. Its totient is φ = 74188800.

The previous prime is 325461833. The next prime is 325461847. The reversal of 325461840 is 48164523.

It is an interprime number because it is at equal distance from previous prime (325461833) and next prime (325461847).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325461847) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 5335410 + ... + 5335470.

Almost surely, 2^325461840 is an apocalyptic number.

325461840 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 325461840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584534016).

325461840 is an abundant number, since it is smaller than the sum of its proper divisors (843606192).

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

325461840 is a wasteful number, since it uses less digits than its factorization.

325461840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 325461840 is about 18040.5609668879. The cubic root of 325461840 is about 687.8599521142.

The spelling of 325461840 in words is "three hundred twenty-five million, four hundred sixty-one thousand, eight hundred forty".