495066420 has 36 divisors (see below), whose sum is σ = 1501702020. Its totient is φ = 132017664.

The previous prime is 495066391. The next prime is 495066427. The reversal of 495066420 is 24660594.

495066420 is a `hidden beast` number, since 4 + 9 + 5 + 0 + 6 + 642 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 258952464 + 236113956 = 16092^2 + 15366^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495066427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375005 + ... + 1375364.

It is an arithmetic number, because the mean of its divisors is an integer number (41713945).

Almost surely, 2^495066420 is an apocalyptic number.

It is an amenable number.

495066420 is an abundant number, since it is smaller than the sum of its proper divisors (1006635600).

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

495066420 is a wasteful number, since it uses less digits than its factorization.

495066420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750384 (or 2750379 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 495066420 is about 22250.0880897133. The cubic root of 495066420 is about 791.0813690938.

The spelling of 495066420 in words is "four hundred ninety-five million, sixty-six thousand, four hundred twenty".