3128495814 has 48 divisors (see below), whose sum is σ = 7023528720. Its totient is φ = 1005238080.

The previous prime is 3128495813. The next prime is 3128495833. The reversal of 3128495814 is 4185948213.

3128495814 is a `hidden beast` number, since 3 + 1 + 28 + 49 + 581 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3128495814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128495813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340509 + ... + 349575.

It is an arithmetic number, because the mean of its divisors is an integer number (146323515).

Almost surely, 2^3128495814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128495814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3511764360).

3128495814 is an abundant number, since it is smaller than the sum of its proper divisors (3895032906).

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

3128495814 is a wasteful number, since it uses less digits than its factorization.

3128495814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9765 (or 9762 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 3128495814 is about 55932.9582089129. The cubic root of 3128495814 is about 1462.5538297960.

The spelling of 3128495814 in words is "three billion, one hundred twenty-eight million, four hundred ninety-five thousand, eight hundred fourteen".