2064623808 has 112 divisors (see below), whose sum is σ = 6072851456. Its totient is φ = 614753280.

The previous prime is 2064623779. The next prime is 2064623833. The reversal of 2064623808 is 8083264602.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64035 + ... + 90717.

It is an arithmetic number, because the mean of its divisors is an integer number (54221888).

Almost surely, 2^2064623808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2064623808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3036425728).

2064623808 is an abundant number, since it is smaller than the sum of its proper divisors (4008227648).

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

2064623808 is a wasteful number, since it uses less digits than its factorization.

2064623808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26742 (or 26732 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 2064623808 is about 45438.1316517306. The cubic root of 2064623808 is about 1273.3476086104.

The spelling of 2064623808 in words is "two billion, sixty-four million, six hundred twenty-three thousand, eight hundred eight".