325101440 has 32 divisors (see below), whose sum is σ = 777197160. Its totient is φ = 130040320.

The previous prime is 325101437. The next prime is 325101449. The reversal of 325101440 is 44101523.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325101449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253346 + ... + 254625.

Almost surely, 2^325101440 is an apocalyptic number.

It is an amenable number.

325101440 is an abundant number, since it is smaller than the sum of its proper divisors (452095720).

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

325101440 is an equidigital number, since it uses as much as digits as its factorization.

325101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507990 (or 507978 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 325101440 is about 18030.5695972146. The cubic root of 325101440 is about 687.6059578837.

Adding to 325101440 its reverse (44101523), we get a palindrome (369202963).

The spelling of 325101440 in words is "three hundred twenty-five million, one hundred one thousand, four hundred forty".