495889020 has 192 divisors, whose sum is σ = 1737953280. Its totient is φ = 116294400.

The previous prime is 495889019. The next prime is 495889021. The reversal of 495889020 is 20988594.

495889020 is a `hidden beast` number, since 49 + 588 + 9 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (495889019) and next prime (495889021).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495889021) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 182794 + ... + 185486.

It is an arithmetic number, because the mean of its divisors is an integer number (9051840).

Almost surely, 2^495889020 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 495889020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868976640).

495889020 is an abundant number, since it is smaller than the sum of its proper divisors (1242064260).

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

495889020 is a wasteful number, since it uses less digits than its factorization.

495889020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2745 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 495889020 is about 22268.5657373797. The cubic root of 495889020 is about 791.5192789824.

The spelling of 495889020 in words is "four hundred ninety-five million, eight hundred eighty-nine thousand, twenty".