3256661744 has 40 divisors (see below), whose sum is σ = 7347252960. Its totient is φ = 1369375488.

The previous prime is 3256661743. The next prime is 3256661761. The reversal of 3256661744 is 4471666523.

It is a junction number, because it is equal to n+sod(n) for n = 3256661695 and 3256661704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256661743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268379 + ... + 280250.

It is an arithmetic number, because the mean of its divisors is an integer number (183681324).

Almost surely, 2^3256661744 is an apocalyptic number.

It is an amenable number.

3256661744 is an abundant number, since it is smaller than the sum of its proper divisors (4090591216).

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

3256661744 is a wasteful number, since it uses less digits than its factorization.

3256661744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548697 (or 548691 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 3256661744 is about 57067.1687049568. The cubic root of 3256661744 is about 1482.2594147895.

The spelling of 3256661744 in words is "three billion, two hundred fifty-six million, six hundred sixty-one thousand, seven hundred forty-four".