490189654500 has 1728 divisors, whose sum is σ = 1982884700160. Its totient is φ = 93405312000.

The previous prime is 490189654459. The next prime is 490189654579. The reversal of 490189654500 is 5456981094.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 7316263467 + ... + 7316263533.

It is an arithmetic number, because the mean of its divisors is an integer number (1147502720).

Almost surely, 2^490189654500 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 490189654500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991442350080).

490189654500 is an abundant number, since it is smaller than the sum of its proper divisors (1492695045660).

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

490189654500 is a wasteful number, since it uses less digits than its factorization.

490189654500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 490189654500 in words is "four hundred ninety billion, one hundred eighty-nine million, six hundred fifty-four thousand, five hundred".