18882069450 has 48 divisors (see below), whose sum is σ = 46837168896. Its totient is φ = 5034182400.

The previous prime is 18882069431. The next prime is 18882069467. The reversal of 18882069450 is 5496028881.

It is a junction number, because it is equal to n+sod(n) for n = 18882069393 and 18882069402.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 962439 + ... + 981861.

It is an arithmetic number, because the mean of its divisors is an integer number (975774352).

Almost surely, 2^18882069450 is an apocalyptic number.

18882069450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18882069450 is an abundant number, since it is smaller than the sum of its proper divisors (27955099446).

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

18882069450 is a wasteful number, since it uses less digits than its factorization.

18882069450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25919 (or 25914 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 18882069450 in words is "eighteen billion, eight hundred eighty-two million, sixty-nine thousand, four hundred fifty".