3256239587328 has 1632 divisors, whose sum is σ = 12702268866560. Its totient is φ = 779700142080.

The previous prime is 3256239587323. The next prime is 3256239587339. The reversal of 3256239587328 is 8237859326523.

It is a happy number.

3256239587328 is a `hidden beast` number, since 3 + 2 + 5 + 6 + 23 + 9 + 587 + 3 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3256239587323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31613976525 + ... + 31613976627.

Almost surely, 2^{3256239587328} is an apocalyptic number.

3256239587328 is a gapful number since it is divisible by the number (38) 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 3256239587328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6351134433280).

3256239587328 is an abundant number, since it is smaller than the sum of its proper divisors (9446029279232).

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

3256239587328 is a wasteful number, since it uses less digits than its factorization.

3256239587328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 178 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

The spelling of 3256239587328 in words is "three trillion, two hundred fifty-six billion, two hundred thirty-nine million, five hundred eighty-seven thousand, three hundred twenty-eight".