3256486405 has 8 divisors (see below), whose sum is σ = 3922205184. Its totient is φ = 2595574800.

The previous prime is 3256486379. The next prime is 3256486417. The reversal of 3256486405 is 5046846523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3256486405 - 2¹⁵ = 3256453637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200301 + ... + 1203010.

It is an arithmetic number, because the mean of its divisors is an integer number (490275648).

Almost surely, 2^3256486405 is an apocalyptic number.

It is an amenable number.

3256486405 is a deficient number, since it is larger than the sum of its proper divisors (665718779).

3256486405 is a wasteful number, since it uses less digits than its factorization.

3256486405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403587.

The product of its (nonzero) digits is 691200, while the sum is 43.

The square root of 3256486405 is about 57065.6324331905. The cubic root of 3256486405 is about 1482.2328126461.

The spelling of 3256486405 in words is "three billion, two hundred fifty-six million, four hundred eighty-six thousand, four hundred five".