325203133440 has 352 divisors, whose sum is σ = 1058146375680. Its totient is φ = 85230452736.

The previous prime is 325203133439. The next prime is 325203133441. The reversal of 325203133440 is 44331302523.

It is an interprime number because it is at equal distance from previous prime (325203133439) and next prime (325203133441).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 325203133398 and 325203133407.

It is not an unprimeable number, because it can be changed into a prime (325203133441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343403047 + ... + 343403993.

Almost surely, 2^325203133440 is an apocalyptic number.

325203133440 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 325203133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529073187840).

325203133440 is an abundant number, since it is smaller than the sum of its proper divisors (732943242240).

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

325203133440 is a wasteful number, since it uses less digits than its factorization.

325203133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 325203133440 its reverse (44331302523), we get a palindrome (369534435963).

The spelling of 325203133440 in words is "three hundred twenty-five billion, two hundred three million, one hundred thirty-three thousand, four hundred forty".