808049538 has 12 divisors (see below), whose sum is σ = 1750774038. Its totient is φ = 269349840.

The previous prime is 808049519. The next prime is 808049563. The reversal of 808049538 is 835940808.

808049538 is a `hidden beast` number, since 80 + 80 + 495 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 432348849 + 375700689 = 20793^2 + 19383^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 808049493 and 808049502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22445803 + ... + 22445838.

Almost surely, 2^808049538 is an apocalyptic number.

808049538 is an abundant number, since it is smaller than the sum of its proper divisors (942724500).

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

808049538 is a wasteful number, since it uses less digits than its factorization.

808049538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44891649 (or 44891646 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 808049538 is about 28426.2121641277. The cubic root of 808049538 is about 931.4209357375.

The spelling of 808049538 in words is "eight hundred eight million, forty-nine thousand, five hundred thirty-eight".