172044044 has 6 divisors (see below), whose sum is σ = 301077084. Its totient is φ = 86022020.

The previous prime is 172044011. The next prime is 172044073. The reversal of 172044044 is 440440271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21505502 + ... + 21505509.

It is an arithmetic number, because the mean of its divisors is an integer number (50179514).

Almost surely, 2^172044044 is an apocalyptic number.

It is an amenable number.

172044044 is a deficient number, since it is larger than the sum of its proper divisors (129033040).

172044044 is a wasteful number, since it uses less digits than its factorization.

172044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43011015 (or 43011013 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 172044044 is about 13116.5561028801. The cubic root of 172044044 is about 556.1772419417.

The spelling of 172044044 in words is "one hundred seventy-two million, forty-four thousand, forty-four".