1808042841 has 48 divisors (see below), whose sum is σ = 2898529920. Its totient is φ = 1076924160.

The previous prime is 1808042813. The next prime is 1808042843. The reversal of 1808042841 is 1482408081.

It is a happy number.

It is not a de Polignac number, because 1808042841 - 2¹⁴ = 1808026457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1808042796 and 1808042805.

It is not an unprimeable number, because it can be changed into a prime (1808042843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1477756 + ... + 1478978.

It is an arithmetic number, because the mean of its divisors is an integer number (60386040).

Almost surely, 2^1808042841 is an apocalyptic number.

1808042841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1808042841 is a deficient number, since it is larger than the sum of its proper divisors (1090487079).

1808042841 is a wasteful number, since it uses less digits than its factorization.

1808042841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 1808042841 is about 42521.0870157384. The cubic root of 1808042841 is about 1218.2494918714.

The spelling of 1808042841 in words is "one billion, eight hundred eight million, forty-two thousand, eight hundred forty-one".