500004989172 has 144 divisors (see below), whose sum is σ = 1430423554560. Its totient is φ = 146208271104.

The previous prime is 500004989153. The next prime is 500004989189. The reversal of 500004989172 is 271989400005.

500004989172 is a `hidden beast` number, since 5 + 0 + 0 + 0 + 0 + 498 + 91 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 408829 + ... + 1080347.

Almost surely, 2^500004989172 is an apocalyptic number.

500004989172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500004989172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715211777280).

500004989172 is an abundant number, since it is smaller than the sum of its proper divisors (930418565388).

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

500004989172 is a wasteful number, since it uses less digits than its factorization.

500004989172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671622 (or 671617 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 500004989172 in words is "five hundred billion, four million, nine hundred eighty-nine thousand, one hundred seventy-two".