490171500 has 720 divisors, whose sum is σ = 2108826720. Its totient is φ = 97977600.

The previous prime is 490171499. The next prime is 490171511. The reversal of 490171500 is 5171094.

490171500 is a `hidden beast` number, since 4 + 90 + 1 + 71 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 25798491 + ... + 25798509.

It is an arithmetic number, because the mean of its divisors is an integer number (2928926).

Almost surely, 2^490171500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490171500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054413360).

490171500 is an abundant number, since it is smaller than the sum of its proper divisors (1618655220).

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

490171500 is a wasteful number, since it uses less digits than its factorization.

490171500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 490171500 is about 22139.8170724150. The cubic root of 490171500 is about 788.4654824922.

The spelling of 490171500 in words is "four hundred ninety million, one hundred seventy-one thousand, five hundred".