17157220640044 has 48 divisors (see below), whose sum is σ = 31246663827456. Its totient is φ = 8234186313600.

The previous prime is 17157220640033. The next prime is 17157220640047. The reversal of 17157220640044 is 44004602275171.

17157220640044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (17157220640047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30798709 + ... + 31350835.

It is an arithmetic number, because the mean of its divisors is an integer number (650972163072).

Almost surely, 2^{17157220640044} is an apocalyptic number.

It is an amenable number.

17157220640044 is a deficient number, since it is larger than the sum of its proper divisors (14089443187412).

17157220640044 is a wasteful number, since it uses less digits than its factorization.

17157220640044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554206 (or 554204 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 17157220640044 in words is "seventeen trillion, one hundred fifty-seven billion, two hundred twenty million, six hundred forty thousand, forty-four".