4003818682808 has 16 divisors (see below), whose sum is σ = 8579611463280. Its totient is φ = 1715922292608.

The previous prime is 4003818682807. The next prime is 4003818682817. The reversal of 4003818682808 is 8082868183004.

It is a happy number.

It is a super-2 number, since 2×4003818682808² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 71496762193 = 4003818682808 / (4 + 0 + 0 + 3 + 8 + 1 + 8 + 6 + 8 + 2 + 8 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003818682807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35748381041 + ... + 35748381152.

It is an arithmetic number, because the mean of its divisors is an integer number (536225716455).

Almost surely, 2^{4003818682808} is an apocalyptic number.

It is an amenable number.

4003818682808 is an abundant number, since it is smaller than the sum of its proper divisors (4575792780472).

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

4003818682808 is a wasteful number, since it uses less digits than its factorization.

4003818682808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71496762206 (or 71496762202 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 56.

The spelling of 4003818682808 in words is "four trillion, three billion, eight hundred eighteen million, six hundred eighty-two thousand, eight hundred eight".