325120213244240 has 80 divisors (see below), whose sum is σ = 774347072271696. Its totient is φ = 126875217100800.

The previous prime is 325120213244237. The next prime is 325120213244249. The reversal of 325120213244240 is 42442312021523.

It can be written as a sum of positive squares in 8 ways, for example, as 119785757630224 + 205334455614016 = 10944668^2 + 14329496^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 325120213244240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325120213244249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557574284 + ... + 558157076.

Almost surely, 2^{325120213244240} is an apocalyptic number.

It is an amenable number.

325120213244240 is an abundant number, since it is smaller than the sum of its proper divisors (449226859027456).

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

325120213244240 is a wasteful number, since it uses less digits than its factorization.

325120213244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752928 (or 752922 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 325120213244240 its reverse (42442312021523), we get a palindrome (367562525265763).

The spelling of 325120213244240 in words is "three hundred twenty-five trillion, one hundred twenty billion, two hundred thirteen million, two hundred forty-four thousand, two hundred forty".