18241446190 has 32 divisors (see below), whose sum is σ = 36495419616. Its totient is φ = 6508095360.

The previous prime is 18241446163. The next prime is 18241446191. The reversal of 18241446190 is 9164414281.

It is a happy number.

It is a super-2 number, since 2×18241446190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18241446191) 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 15 ways as a sum of consecutive naturals, for example, 1558617 + ... + 1570276.

It is an arithmetic number, because the mean of its divisors is an integer number (1140481863).

Almost surely, 2^18241446190 is an apocalyptic number.

18241446190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18241446190 is an abundant number, since it is smaller than the sum of its proper divisors (18253973426).

18241446190 is a wasteful number, since it uses less digits than its factorization.

18241446190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128964.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 18241446190 in words is "eighteen billion, two hundred forty-one million, four hundred forty-six thousand, one hundred ninety".