3251945344 has 48 divisors (see below), whose sum is σ = 6766596360. Its totient is φ = 1553798400.

The previous prime is 3251945339. The next prime is 3251945371. The reversal of 3251945344 is 4435491523.

It is a junction number, because it is equal to n+sod(n) for n = 3251945297 and 3251945306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3093619 + ... + 3094669.

Almost surely, 2^3251945344 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 3251945344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3383298180).

3251945344 is an abundant number, since it is smaller than the sum of its proper divisors (3514651016).

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

3251945344 is an frugal number, since it uses more digits than its factorization.

3251945344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 1076 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 3251945344 is about 57025.8304981173. The cubic root of 3251945344 is about 1481.5435175099.

The spelling of 3251945344 in words is "three billion, two hundred fifty-one million, nine hundred forty-five thousand, three hundred forty-four".