2009272320 has 312 divisors, whose sum is σ = 7605441792. Its totient is φ = 486604800.

The previous prime is 2009272271. The next prime is 2009272361. The reversal of 2009272320 is 232729002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2027025 + ... + 2028015.

It is an arithmetic number, because the mean of its divisors is an integer number (24376416).

Almost surely, 2^2009272320 is an apocalyptic number.

2009272320 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 2009272320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3802720896).

2009272320 is an abundant number, since it is smaller than the sum of its proper divisors (5596169472).

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

2009272320 is a wasteful number, since it uses less digits than its factorization.

2009272320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2009272320 is about 44824.9073618675. The cubic root of 2009272320 is about 1261.8651138440.

The spelling of 2009272320 in words is "two billion, nine million, two hundred seventy-two thousand, three hundred twenty".