1808052444212 has 24 divisors (see below), whose sum is σ = 3713837455104. Its totient is φ = 753936926112.

The previous prime is 1808052444197. The next prime is 1808052444217. The reversal of 1808052444212 is 2124442508081.

It is a self number, because there is not a number n which added to its sum of digits gives 1808052444212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808052444217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872611148 + ... + 872613219.

It is an arithmetic number, because the mean of its divisors is an integer number (154743227296).

Almost surely, 2^{1808052444212} is an apocalyptic number.

It is an amenable number.

1808052444212 is an abundant number, since it is smaller than the sum of its proper divisors (1905785010892).

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

1808052444212 is a wasteful number, since it uses less digits than its factorization.

1808052444212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745224415 (or 1745224413 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 41.

The spelling of 1808052444212 in words is "one trillion, eight hundred eight billion, fifty-two million, four hundred forty-four thousand, two hundred twelve".