3256001280 has 576 divisors, whose sum is σ = 13555153920. Its totient is φ = 724598784.

The previous prime is 3256001267. The next prime is 3256001297. The reversal of 3256001280 is 821006523.

3256001280 is a `hidden beast` number, since 32 + 5 + 600 + 1 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10402404 + ... + 10402716.

Almost surely, 2^3256001280 is an apocalyptic number.

3256001280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3256001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6777576960).

3256001280 is an abundant number, since it is smaller than the sum of its proper divisors (10299152640).

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

3256001280 is a wasteful number, since it uses less digits than its factorization.

3256001280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3256001280 is about 57061.3816867415. The cubic root of 3256001280 is about 1482.1592053064.

The spelling of 3256001280 in words is "three billion, two hundred fifty-six million, one thousand, two hundred eighty".