3259956388956 has 48 divisors (see below), whose sum is σ = 7637094872064. Its totient is φ = 1082293862976.

The previous prime is 3259956388943. The next prime is 3259956388957. The reversal of 3259956388956 is 6598836599523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3259956388957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8124061 + ... + 8515883.

It is an arithmetic number, because the mean of its divisors is an integer number (159106143168).

Almost surely, 2^{3259956388956} is an apocalyptic number.

It is an amenable number.

3259956388956 is an abundant number, since it is smaller than the sum of its proper divisors (4377138483108).

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

3259956388956 is a wasteful number, since it uses less digits than its factorization.

3259956388956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394610 (or 394608 counting only the distinct ones).

The product of its digits is 3779136000, while the sum is 78.

The spelling of 3259956388956 in words is "three trillion, two hundred fifty-nine billion, nine hundred fifty-six million, three hundred eighty-eight thousand, nine hundred fifty-six".