18850773760 has 432 divisors, whose sum is σ = 57095297280. Its totient is φ = 5837045760.

The previous prime is 18850773743. The next prime is 18850773769. The reversal of 18850773760 is 6737705881.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 18850773698 and 18850773707.

It is not an unprimeable number, because it can be changed into a prime (18850773769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89340055 + ... + 89340265.

It is an arithmetic number, because the mean of its divisors is an integer number (132165040).

Almost surely, 2^18850773760 is an apocalyptic number.

18850773760 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 18850773760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28547648640).

18850773760 is an abundant number, since it is smaller than the sum of its proper divisors (38244523520).

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

18850773760 is a wasteful number, since it uses less digits than its factorization.

18850773760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 18850773760 in words is "eighteen billion, eight hundred fifty million, seven hundred seventy-three thousand, seven hundred sixty".