8189090144 has 24 divisors (see below), whose sum is σ = 16150542408. Its totient is φ = 4087365120.

The previous prime is 8189090123. The next prime is 8189090159. The reversal of 8189090144 is 4410909818.

It is a super-2 number, since 2×8189090144² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8189090095 and 8189090104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205817 + ... + 242360.

It is an arithmetic number, because the mean of its divisors is an integer number (672939267).

Almost surely, 2^8189090144 is an apocalyptic number.

It is an amenable number.

8189090144 is a deficient number, since it is larger than the sum of its proper divisors (7961452264).

8189090144 is a wasteful number, since it uses less digits than its factorization.

8189090144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448758 (or 448750 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 8189090144 is about 90493.5917289175. The cubic root of 8189090144 is about 2015.6349673971.

The spelling of 8189090144 in words is "eight billion, one hundred eighty-nine million, ninety thousand, one hundred forty-four".