18282185490 has 64 divisors (see below), whose sum is σ = 46759182336. Its totient is φ = 4564055232.

The previous prime is 18282185447. The next prime is 18282185507. The reversal of 18282185490 is 9458128281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249442 + ... + 314301.

It is an arithmetic number, because the mean of its divisors is an integer number (730612224).

Almost surely, 2^18282185490 is an apocalyptic number.

18282185490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18282185490 is an abundant number, since it is smaller than the sum of its proper divisors (28476996846).

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

18282185490 is a wasteful number, since it uses less digits than its factorization.

18282185490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563823.

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 18282185490 in words is "eighteen billion, two hundred eighty-two million, one hundred eighty-five thousand, four hundred ninety".