490509491184 has 40 divisors (see below), whose sum is σ = 1407943911120. Its totient is φ = 163503163584.

The previous prime is 490509491159. The next prime is 490509491189. The reversal of 490509491184 is 481194905094.

490509491184 is a `hidden beast` number, since 4 + 9 + 0 + 509 + 49 + 11 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 490509491184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490509491189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567718887 + ... + 567719750.

It is an arithmetic number, because the mean of its divisors is an integer number (35198597778).

Almost surely, 2^490509491184 is an apocalyptic number.

It is an amenable number.

490509491184 is an abundant number, since it is smaller than the sum of its proper divisors (917434419936).

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

490509491184 is a wasteful number, since it uses less digits than its factorization.

490509491184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135438654 (or 1135438642 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 490509491184 in words is "four hundred ninety billion, five hundred nine million, four hundred ninety-one thousand, one hundred eighty-four".