4118781808 has 10 divisors (see below), whose sum is σ = 7980139784. Its totient is φ = 2059390896.

The previous prime is 4118781773. The next prime is 4118781817. The reversal of 4118781808 is 8081878114.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128711916 + ... + 128711947.

Almost surely, 2^4118781808 is an apocalyptic number.

It is an amenable number.

4118781808 is a deficient number, since it is larger than the sum of its proper divisors (3861357976).

4118781808 is a wasteful number, since it uses less digits than its factorization.

4118781808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257423871 (or 257423865 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 46.

The square root of 4118781808 is about 64177.7360772410. The cubic root of 4118781808 is about 1602.9608985449.

The spelling of 4118781808 in words is "four billion, one hundred eighteen million, seven hundred eighty-one thousand, eight hundred eight".