495280578 has 16 divisors (see below), whose sum is σ = 1066758336. Its totient is φ = 152394000.

The previous prime is 495280537. The next prime is 495280613. The reversal of 495280578 is 875082594.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3174798 + ... + 3174953.

It is an arithmetic number, because the mean of its divisors is an integer number (66672396).

Almost surely, 2^495280578 is an apocalyptic number.

495280578 is an abundant number, since it is smaller than the sum of its proper divisors (571477758).

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

495280578 is a wasteful number, since it uses less digits than its factorization.

495280578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349769.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 495280578 is about 22254.9000896432. The cubic root of 495280578 is about 791.1954224638.

The spelling of 495280578 in words is "four hundred ninety-five million, two hundred eighty thousand, five hundred seventy-eight".