1325035323440 has 80 divisors (see below), whose sum is σ = 3323471132448. Its totient is φ = 489424785408.

The previous prime is 1325035323401. The next prime is 1325035323487. The reversal of 1325035323440 is 443235305231.

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 1325035323440.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9119342 + ... + 9263501.

Almost surely, 2^{1325035323440} is an apocalyptic number.

1325035323440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325035323440 is an abundant number, since it is smaller than the sum of its proper divisors (1998435809008).

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

1325035323440 is a wasteful number, since it uses less digits than its factorization.

1325035323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18382926 (or 18382920 counting only the distinct ones).

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

The spelling of 1325035323440 in words is "one trillion, three hundred twenty-five billion, thirty-five million, three hundred twenty-three thousand, four hundred forty".