2066267280 has 240 divisors, whose sum is σ = 8129104704. Its totient is φ = 429327360.

The previous prime is 2066267209. The next prime is 2066267297. The reversal of 2066267280 is 827626602.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121374 + ... + 137346.

Almost surely, 2^2066267280 is an apocalyptic number.

2066267280 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 2066267280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064552352).

2066267280 is an abundant number, since it is smaller than the sum of its proper divisors (6062837424).

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

2066267280 is a wasteful number, since it uses less digits than its factorization.

2066267280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014 (or 16001 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2066267280 is about 45456.2127766931. The cubic root of 2066267280 is about 1273.6853870315.

The spelling of 2066267280 in words is "two billion, sixty-six million, two hundred sixty-seven thousand, two hundred eighty".