18853990590048 has 48 divisors (see below), whose sum is σ = 49495762275120. Its totient is φ = 6284150898176.

The previous prime is 18853990590023. The next prime is 18853990590053. The reversal of 18853990590048 is 84009509935881.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×18853990590048² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6825915 + ... + 9181562.

It is an arithmetic number, because the mean of its divisors is an integer number (1031161714065).

Almost surely, 2^{18853990590048} is an apocalyptic number.

It is an amenable number.

18853990590048 is an abundant number, since it is smaller than the sum of its proper divisors (30641771685072).

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

18853990590048 is a wasteful number, since it uses less digits than its factorization.

18853990590048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019759 (or 16019751 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 69.

The spelling of 18853990590048 in words is "eighteen trillion, eight hundred fifty-three billion, nine hundred ninety million, five hundred ninety thousand, forty-eight".