1808052443852 has 12 divisors (see below), whose sum is σ = 3196711280280. Its totient is φ = 894706363776.

The previous prime is 1808052443849. The next prime is 1808052443861. The reversal of 1808052443852 is 2583442508081.

It is a super-2 number, since 2×1808052443852² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1808052443852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329964102 + ... + 2329964877.

It is an arithmetic number, because the mean of its divisors is an integer number (266392606690).

Almost surely, 2^{1808052443852} is an apocalyptic number.

It is an amenable number.

1808052443852 is a deficient number, since it is larger than the sum of its proper divisors (1388658836428).

1808052443852 is a wasteful number, since it uses less digits than its factorization.

1808052443852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659929080 (or 4659929078 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 50.

The spelling of 1808052443852 in words is "one trillion, eight hundred eight billion, fifty-two million, four hundred forty-three thousand, eight hundred fifty-two".