2009442276 has 24 divisors (see below), whose sum is σ = 5209665440. Its totient is φ = 669814056.

The previous prime is 2009442269. The next prime is 2009442293. The reversal of 2009442276 is 6722449002.

2009442276 is a `hidden beast` number, since 200 + 9 + 442 + 2 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2009442276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9302866 + ... + 9303081.

Almost surely, 2^2009442276 is an apocalyptic number.

It is an amenable number.

2009442276 is an abundant number, since it is smaller than the sum of its proper divisors (3200223164).

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

2009442276 is a wasteful number, since it uses less digits than its factorization.

2009442276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18605960 (or 18605952 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2009442276 is about 44826.8030981465. The cubic root of 2009442276 is about 1261.9006914838.

The spelling of 2009442276 in words is "two billion, nine million, four hundred forty-two thousand, two hundred seventy-six".