17841264340 has 12 divisors (see below), whose sum is σ = 37466655156. Its totient is φ = 7136505728.

The previous prime is 17841264317. The next prime is 17841264361. The reversal of 17841264340 is 4346214871.

It can be written as a sum of positive squares in 2 ways, for example, as 5783906704 + 12057357636 = 76052^2 + 109806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17841264293 and 17841264302.

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, 446031589 + ... + 446031628.

It is an arithmetic number, because the mean of its divisors is an integer number (3122221263).

Almost surely, 2^17841264340 is an apocalyptic number.

17841264340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17841264340 is an abundant number, since it is smaller than the sum of its proper divisors (19625390816).

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

17841264340 is a wasteful number, since it uses less digits than its factorization.

17841264340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892063226 (or 892063224 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 17841264340 in words is "seventeen billion, eight hundred forty-one million, two hundred sixty-four thousand, three hundred forty".