1536809872 has 40 divisors (see below), whose sum is σ = 3310065920. Its totient is φ = 686413440.

The previous prime is 1536809867. The next prime is 1536809881. The reversal of 1536809872 is 2789086351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112722 + ... + 125617.

It is an arithmetic number, because the mean of its divisors is an integer number (82751648).

Almost surely, 2^1536809872 is an apocalyptic number.

It is an amenable number.

1536809872 is an abundant number, since it is smaller than the sum of its proper divisors (1773256048).

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

1536809872 is a wasteful number, since it uses less digits than its factorization.

1536809872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238391 (or 238385 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 1536809872 is about 39202.1666748153. The cubic root of 1536809872 is about 1154.0024049122.

The spelling of 1536809872 in words is "one billion, five hundred thirty-six million, eight hundred nine thousand, eight hundred seventy-two".