2064855520 has 144 divisors (see below), whose sum is σ = 6037506720. Its totient is φ = 653432832.

The previous prime is 2064855517. The next prime is 2064855563. The reversal of 2064855520 is 255584602.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2064855520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183826 + ... + 194734.

It is an arithmetic number, because the mean of its divisors is an integer number (41927130).

Almost surely, 2^2064855520 is an apocalyptic number.

2064855520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2064855520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018753360).

2064855520 is an abundant number, since it is smaller than the sum of its proper divisors (3972651200).

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

2064855520 is a wasteful number, since it uses less digits than its factorization.

2064855520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10957 (or 10936 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 2064855520 is about 45440.6813329202. The cubic root of 2064855520 is about 1273.3952426125.

The spelling of 2064855520 in words is "two billion, sixty-four million, eight hundred fifty-five thousand, five hundred twenty".