2064645200 has 120 divisors (see below), whose sum is σ = 5159878080. Its totient is φ = 793267200.

The previous prime is 2064645199. The next prime is 2064645217. The reversal of 2064645200 is 25464602.

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, 1097861 + ... + 1099739.

It is an arithmetic number, because the mean of its divisors is an integer number (42998984).

Almost surely, 2^2064645200 is an apocalyptic number.

2064645200 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 2064645200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579939040).

2064645200 is an abundant number, since it is smaller than the sum of its proper divisors (3095232880).

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

2064645200 is a wasteful number, since it uses less digits than its factorization.

2064645200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2064645200 is about 45438.3670481235. The cubic root of 2064645200 is about 1273.3520064024.

The spelling of 2064645200 in words is "two billion, sixty-four million, six hundred forty-five thousand, two hundred".