17864041340 has 12 divisors (see below), whose sum is σ = 37514486856. Its totient is φ = 7145616528.

The previous prime is 17864041339. The next prime is 17864041379. The reversal of 17864041340 is 4314046871.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 17864041294 and 17864041303.

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, 446601014 + ... + 446601053.

It is an arithmetic number, because the mean of its divisors is an integer number (3126207238).

Almost surely, 2^17864041340 is an apocalyptic number.

17864041340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17864041340 is an abundant number, since it is smaller than the sum of its proper divisors (19650445516).

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

17864041340 is a wasteful number, since it uses less digits than its factorization.

17864041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893202076 (or 893202074 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 17864041340 in words is "seventeen billion, eight hundred sixty-four million, forty-one thousand, three hundred forty".