172488440046 has 32 divisors (see below), whose sum is σ = 371660083200. Its totient is φ = 53052434784.

The previous prime is 172488440027. The next prime is 172488440051. The reversal of 172488440046 is 640044884271.

It is a junction number, because it is equal to n+sod(n) for n = 172488439977 and 172488440004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236446 + ... + 633153.

It is an arithmetic number, because the mean of its divisors is an integer number (11614377600).

Almost surely, 2^172488440046 is an apocalyptic number.

172488440046 is an abundant number, since it is smaller than the sum of its proper divisors (199171643154).

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

172488440046 is a wasteful number, since it uses less digits than its factorization.

172488440046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872160.

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 172488440046 in words is "one hundred seventy-two billion, four hundred eighty-eight million, four hundred forty thousand, forty-six".