3251025440 has 48 divisors (see below), whose sum is σ = 8271364248. Its totient is φ = 1200377856.

The previous prime is 3251025433. The next prime is 3251025443. The reversal of 3251025440 is 445201523.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2296709776 + 954315664 = 47924^2 + 30892^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (3251025443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779417 + ... + 783576.

Almost surely, 2^3251025440 is an apocalyptic number.

It is an amenable number.

3251025440 is an abundant number, since it is smaller than the sum of its proper divisors (5020338808).

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

3251025440 is a wasteful number, since it uses less digits than its factorization.

3251025440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563021 (or 1563013 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3251025440 is about 57017.7642493986. The cubic root of 3251025440 is about 1481.4038056151.

Adding to 3251025440 its reverse (445201523), we get a palindrome (3696226963).

The spelling of 3251025440 in words is "three billion, two hundred fifty-one million, twenty-five thousand, four hundred forty".