495980505 has 12 divisors (see below), whose sum is σ = 859699620. Its totient is φ = 264522912.

The previous prime is 495980479. The next prime is 495980543. The reversal of 495980505 is 505089594.

495980505 is a `hidden beast` number, since 4 + 9 + 598 + 0 + 50 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 299532249 + 196448256 = 17307^2 + 14016^2 .

It is not a de Polignac number, because 495980505 - 2¹⁰ = 495979481 is a prime.

It is a super-2 number, since 2×495980505² = 491993322680110050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 11021789 = 495980505 / (4 + 9 + 5 + 9 + 8 + 0 + 5 + 0 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5510850 + ... + 5510939.

It is an arithmetic number, because the mean of its divisors is an integer number (71641635).

Almost surely, 2^495980505 is an apocalyptic number.

495980505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

495980505 is a deficient number, since it is larger than the sum of its proper divisors (363719115).

495980505 is a wasteful number, since it uses less digits than its factorization.

495980505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021800 (or 11021797 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 495980505 is about 22270.6197713490. The cubic root of 495980505 is about 791.5679509538.

The spelling of 495980505 in words is "four hundred ninety-five million, nine hundred eighty thousand, five hundred five".