3257332444720 has 80 divisors (see below), whose sum is σ = 7689331565568. Its totient is φ = 1282985383680.

The previous prime is 3257332444643. The next prime is 3257332444799. The reversal of 3257332444720 is 274442337523.

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

It is a super-2 number, since 2×3257332444720² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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, 13770487 + ... + 14005033.

Almost surely, 2^{3257332444720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3257332444720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3844665782784).

3257332444720 is an abundant number, since it is smaller than the sum of its proper divisors (4431999120848).

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

3257332444720 is a wasteful number, since it uses less digits than its factorization.

3257332444720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237218 (or 237212 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 46.

The spelling of 3257332444720 in words is "three trillion, two hundred fifty-seven billion, three hundred thirty-two million, four hundred forty-four thousand, seven hundred twenty".