3256762720 has 24 divisors (see below), whose sum is σ = 7694102304. Its totient is φ = 1302705024.

The previous prime is 3256762711. The next prime is 3256762721. The reversal of 3256762720 is 272676523.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256762721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10177224 + ... + 10177543.

It is an arithmetic number, because the mean of its divisors is an integer number (320587596).

Almost surely, 2^3256762720 is an apocalyptic number.

It is an amenable number.

3256762720 is an abundant number, since it is smaller than the sum of its proper divisors (4437339584).

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

3256762720 is a wasteful number, since it uses less digits than its factorization.

3256762720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20354782 (or 20354774 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 3256762720 is about 57068.0534099421. The cubic root of 3256762720 is about 1482.2747342681.

The spelling of 3256762720 in words is "three billion, two hundred fifty-six million, seven hundred sixty-two thousand, seven hundred twenty".