3256128267 has 16 divisors (see below), whose sum is σ = 4977891072. Its totient is φ = 1854580320.

The previous prime is 3256128257. The next prime is 3256128341. The reversal of 3256128267 is 7628216523.

It is not a de Polignac number, because 3256128267 - 2⁴ = 3256128251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3256128217) 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, 246084 + ... + 258977.

It is an arithmetic number, because the mean of its divisors is an integer number (311118192).

Almost surely, 2^3256128267 is an apocalyptic number.

3256128267 is a deficient number, since it is larger than the sum of its proper divisors (1721762805).

3256128267 is a wasteful number, since it uses less digits than its factorization.

3256128267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505378.

The product of its digits is 241920, while the sum is 42.

The square root of 3256128267 is about 57062.4943986854. The cubic root of 3256128267 is about 1482.1784735732.

The spelling of 3256128267 in words is "three billion, two hundred fifty-six million, one hundred twenty-eight thousand, two hundred sixty-seven".