2009438808192 has 96 divisors (see below), whose sum is σ = 6033776935680. Its totient is φ = 640690626048.

The previous prime is 2009438808101. The next prime is 2009438808203. The reversal of 2009438808192 is 2918088349002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37893168 + ... + 37946159.

It is an arithmetic number, because the mean of its divisors is an integer number (62851843080).

Almost surely, 2^{2009438808192} is an apocalyptic number.

It is an amenable number.

2009438808192 is an abundant number, since it is smaller than the sum of its proper divisors (4024338127488).

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

2009438808192 is a wasteful number, since it uses less digits than its factorization.

2009438808192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75839370 (or 75839355 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 2009438808192 in words is "two trillion, nine billion, four hundred thirty-eight million, eight hundred eight thousand, one hundred ninety-two".