3256246621650 has 384 divisors, whose sum is σ = 9128915712000. Its totient is φ = 761201971200.

The previous prime is 3256246621643. The next prime is 3256246621673. The reversal of 3256246621650 is 561266426523.

It is a super-2 number, since 2×3256246621650² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3256246621650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5260495041 + ... + 5260495659.

It is an arithmetic number, because the mean of its divisors is an integer number (23773218000).

Almost surely, 2^{3256246621650} is an apocalyptic number.

3256246621650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3256246621650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4564457856000).

3256246621650 is an abundant number, since it is smaller than the sum of its proper divisors (5872669090350).

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

3256246621650 is a wasteful number, since it uses less digits than its factorization.

3256246621650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 3256246621650 in words is "three trillion, two hundred fifty-six billion, two hundred forty-six million, six hundred twenty-one thousand, six hundred fifty".