3818501808 has 40 divisors (see below), whose sum is σ = 10761233856. Its totient is φ = 1157121600.

The previous prime is 3818501789. The next prime is 3818501879. The reversal of 3818501808 is 8081058183.

It is a self number, because there is not a number n which added to its sum of digits gives 3818501808.

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, 3615478 + ... + 3616533.

Almost surely, 2^3818501808 is an apocalyptic number.

It is an amenable number.

3818501808 is an abundant number, since it is smaller than the sum of its proper divisors (6942732048).

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

3818501808 is a wasteful number, since it uses less digits than its factorization.

3818501808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232033 (or 7232027 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The square root of 3818501808 is about 61794.0272841963. The cubic root of 3818501808 is about 1563.0192742599.

The spelling of 3818501808 in words is "three billion, eight hundred eighteen million, five hundred one thousand, eight hundred eight".