17940804486 has 32 divisors (see below), whose sum is σ = 39442398336. Its totient is φ = 5395104000.

The previous prime is 17940804443. The next prime is 17940804491. The reversal of 17940804486 is 68440804971.

It is a congruent number.

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, 1028875 + ... + 1046166.

It is an arithmetic number, because the mean of its divisors is an integer number (1232574948).

Almost surely, 2^17940804486 is an apocalyptic number.

17940804486 is an abundant number, since it is smaller than the sum of its proper divisors (21501593850).

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

17940804486 is a wasteful number, since it uses less digits than its factorization.

17940804486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075188.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 17940804486 in words is "seventeen billion, nine hundred forty million, eight hundred four thousand, four hundred eighty-six".