495440628 has 12 divisors (see below), whose sum is σ = 1156028160. Its totient is φ = 165146872.

The previous prime is 495440623. The next prime is 495440629. The reversal of 495440628 is 826044594.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×495440628² = 490922831746068768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 495440628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495440623) 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 3 ways as a sum of consecutive naturals, for example, 20643348 + ... + 20643371.

It is an arithmetic number, because the mean of its divisors is an integer number (96335680).

Almost surely, 2^495440628 is an apocalyptic number.

It is an amenable number.

495440628 is an abundant number, since it is smaller than the sum of its proper divisors (660587532).

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

495440628 is a wasteful number, since it uses less digits than its factorization.

495440628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41286726 (or 41286724 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 495440628 is about 22258.4956364980. The cubic root of 495440628 is about 791.2806382622.

The spelling of 495440628 in words is "four hundred ninety-five million, four hundred forty thousand, six hundred twenty-eight".