18853987962880 has 416 divisors, whose sum is σ = 53258285652480. Its totient is φ = 6271362662400.

The previous prime is 18853987962853. The next prime is 18853987962881. The reversal of 18853987962880 is 8826978935881.

It is a Smith number, since the sum of its digits (82) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18853987962794 and 18853987962803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18853987962881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1904245930 + ... + 1904255830.

Almost surely, 2^{18853987962880} is an apocalyptic number.

18853987962880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18853987962880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26629142826240).

18853987962880 is an abundant number, since it is smaller than the sum of its proper divisors (34404297689600).

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

18853987962880 is an equidigital number, since it uses as much as digits as its factorization.

18853987962880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333 (or 10311 counting only the distinct ones).

The product of its (nonzero) digits is 3344302080, while the sum is 82.

The spelling of 18853987962880 in words is "eighteen trillion, eight hundred fifty-three billion, nine hundred eighty-seven million, nine hundred sixty-two thousand, eight hundred eighty".