17982873444 has 48 divisors (see below), whose sum is σ = 42665144256. Its totient is φ = 5893641600.

The previous prime is 17982873431. The next prime is 17982873457. The reversal of 17982873444 is 44437828971.

It is an interprime number because it is at equal distance from previous prime (17982873431) and next prime (17982873457).

It is a super-2 number, since 2×17982873444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3431194 + ... + 3436430.

It is an arithmetic number, because the mean of its divisors is an integer number (888857172).

Almost surely, 2^17982873444 is an apocalyptic number.

It is an amenable number.

17982873444 is an abundant number, since it is smaller than the sum of its proper divisors (24682270812).

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

17982873444 is a wasteful number, since it uses less digits than its factorization.

17982873444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996 (or 9994 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The spelling of 17982873444 in words is "seventeen billion, nine hundred eighty-two million, eight hundred seventy-three thousand, four hundred forty-four".