3251926656 has 256 divisors, whose sum is σ = 10576828800. Its totient is φ = 975421440.

The previous prime is 3251926621. The next prime is 3251926661. The reversal of 3251926656 is 6566291523.

3251926656 is a `hidden beast` number, since 325 + 19 + 266 + 56 = 666.

It is a super-3 number, since 3×3251926656³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4295430 + ... + 4296186.

Almost surely, 2^3251926656 is an apocalyptic number.

3251926656 is a gapful number since it is divisible by the number (36) 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 3251926656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5288414400).

3251926656 is an abundant number, since it is smaller than the sum of its proper divisors (7324902144).

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

3251926656 is a wasteful number, since it uses less digits than its factorization.

3251926656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 886 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 3251926656 is about 57025.6666423112. Note that the first 4 decimals coincide. The cubic root of 3251926656 is about 1481.5406795021.

The spelling of 3251926656 in words is "three billion, two hundred fifty-one million, nine hundred twenty-six thousand, six hundred fifty-six".