17945622048 has 48 divisors (see below), whose sum is σ = 47247127200. Its totient is φ = 5964112896.

The previous prime is 17945622031. The next prime is 17945622053. The reversal of 17945622048 is 84022654971.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 17945621988 and 17945622006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244998 + ... + 309701.

It is an arithmetic number, because the mean of its divisors is an integer number (984315150).

Almost surely, 2^17945622048 is an apocalyptic number.

It is an amenable number.

17945622048 is an abundant number, since it is smaller than the sum of its proper divisors (29301505152).

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

17945622048 is a wasteful number, since it uses less digits than its factorization.

17945622048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555049 (or 555041 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 17945622048 in words is "seventeen billion, nine hundred forty-five million, six hundred twenty-two thousand, forty-eight".