3256517028 has 24 divisors (see below), whose sum is σ = 7626586240. Its totient is φ = 1081499040.

The previous prime is 3256517009. The next prime is 3256517051. The reversal of 3256517028 is 8207156523.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497443 + ... + 503946.

Almost surely, 2^3256517028 is an apocalyptic number.

It is an amenable number.

3256517028 is an abundant number, since it is smaller than the sum of its proper divisors (4370069212).

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

3256517028 is a wasteful number, since it uses less digits than its factorization.

3256517028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001667 (or 1001665 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 3256517028 is about 57065.9007464177. The cubic root of 3256517028 is about 1482.2374587859.

The spelling of 3256517028 in words is "three billion, two hundred fifty-six million, five hundred seventeen thousand, twenty-eight".