1802118836252 has 24 divisors (see below), whose sum is σ = 3625819943424. Its totient is φ = 767711871792.

The previous prime is 1802118836209. The next prime is 1802118836291. The reversal of 1802118836252 is 2526388112081.

It is a junction number, because it is equal to n+sod(n) for n = 1802118836197 and 1802118836206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192694088 + ... + 192703439.

It is an arithmetic number, because the mean of its divisors is an integer number (151075830976).

Almost surely, 2^{1802118836252} is an apocalyptic number.

It is an amenable number.

1802118836252 is an abundant number, since it is smaller than the sum of its proper divisors (1823701107172).

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

1802118836252 is a wasteful number, since it uses less digits than its factorization.

1802118836252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385397705 (or 385397703 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 1802118836252 in words is "one trillion, eight hundred two billion, one hundred eighteen million, eight hundred thirty-six thousand, two hundred fifty-two".