17940832628 has 12 divisors (see below), whose sum is σ = 31988843460. Its totient is φ = 8801163072.

The previous prime is 17940832597. The next prime is 17940832643. The reversal of 17940832628 is 82623804971.

It can be written as a sum of positive squares in 2 ways, for example, as 11452852324 + 6487980304 = 107018^2 + 80548^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 42313073 + ... + 42313496.

It is an arithmetic number, because the mean of its divisors is an integer number (2665736955).

Almost surely, 2^17940832628 is an apocalyptic number.

It is an amenable number.

17940832628 is a deficient number, since it is larger than the sum of its proper divisors (14048010832).

17940832628 is a wasteful number, since it uses less digits than its factorization.

17940832628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84626626 (or 84626624 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 17940832628 in words is "seventeen billion, nine hundred forty million, eight hundred thirty-two thousand, six hundred twenty-eight".