3203143225440 has 96 divisors (see below), whose sum is σ = 10304579980800. Its totient is φ = 835997658624.

The previous prime is 3203143225421. The next prime is 3203143225441. The reversal of 3203143225440 is 445223413023.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3203143225441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70969090 + ... + 71014209.

It is an arithmetic number, because the mean of its divisors is an integer number (107339374800).

Almost surely, 2^{3203143225440} is an apocalyptic number.

3203143225440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3203143225440 is an abundant number, since it is smaller than the sum of its proper divisors (7101436755360).

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

3203143225440 is a wasteful number, since it uses less digits than its factorization.

3203143225440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141983364 (or 141983356 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 3203143225440 its reverse (445223413023), we get a palindrome (3648366638463).

The spelling of 3203143225440 in words is "three trillion, two hundred three billion, one hundred forty-three million, two hundred twenty-five thousand, four hundred forty".