18052048120446 has 12 divisors (see below), whose sum is σ = 39112770927672. Its totient is φ = 6017349373476.

The previous prime is 18052048120399. The next prime is 18052048120451. The reversal of 18052048120446 is 64402184025081.

18052048120446 is a `hidden beast` number, since 1 + 8 + 0 + 520 + 4 + 81 + 2 + 0 + 4 + 46 = 666.

It is a super-2 number, since 2×18052048120446² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501445781106 + ... + 501445781141.

It is an arithmetic number, because the mean of its divisors is an integer number (3259397577306).

Almost surely, 2^{18052048120446} is an apocalyptic number.

18052048120446 is an abundant number, since it is smaller than the sum of its proper divisors (21060722807226).

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

18052048120446 is a wasteful number, since it uses less digits than its factorization.

18052048120446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002891562255 (or 1002891562252 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 18052048120446 in words is "eighteen trillion, fifty-two billion, forty-eight million, one hundred twenty thousand, four hundred forty-six".