17340442845 has 96 divisors (see below), whose sum is σ = 31701922560. Its totient is φ = 8077977600.

The previous prime is 17340442843. The next prime is 17340442913. The reversal of 17340442845 is 54824404371.

It is not a de Polignac number, because 17340442845 - 2¹ = 17340442843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17340442797 and 17340442806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17340442843) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12684352 + ... + 12685718.

It is an arithmetic number, because the mean of its divisors is an integer number (330228360).

Almost surely, 2^17340442845 is an apocalyptic number.

17340442845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17340442845 is a deficient number, since it is larger than the sum of its proper divisors (14361479715).

17340442845 is a wasteful number, since it uses less digits than its factorization.

17340442845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 17340442845 in words is "seventeen billion, three hundred forty million, four hundred forty-two thousand, eight hundred forty-five".