3253253031440 has 80 divisors (see below), whose sum is σ = 7984088092800. Its totient is φ = 1229377453056.

The previous prime is 3253253031437. The next prime is 3253253031467. The reversal of 3253253031440 is 441303523523.

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 3253253031440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435237 + ... + 3526596.

It is an arithmetic number, because the mean of its divisors is an integer number (99801101160).

Almost surely, 2^{3253253031440} is an apocalyptic number.

It is an amenable number.

3253253031440 is an abundant number, since it is smaller than the sum of its proper divisors (4730835061360).

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

3253253031440 is a wasteful number, since it uses less digits than its factorization.

3253253031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962224 (or 5962218 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 3253253031440 its reverse (441303523523), we get a palindrome (3694556554963).

The spelling of 3253253031440 in words is "three trillion, two hundred fifty-three billion, two hundred fifty-three million, thirty-one thousand, four hundred forty".