495478000 has 40 divisors (see below), whose sum is σ = 1198070640. Its totient is φ = 198190400.

The previous prime is 495477979. The next prime is 495478013. The reversal of 495478000 is 874594.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 121870 + ... + 125869.

It is an arithmetic number, because the mean of its divisors is an integer number (29951766).

Almost surely, 2^495478000 is an apocalyptic number.

495478000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495478000 is an abundant number, since it is smaller than the sum of its proper divisors (702592640).

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

495478000 is a wasteful number, since it uses less digits than its factorization.

495478000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247762 (or 247746 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 495478000 is about 22259.3351203489. The cubic root of 495478000 is about 791.3005336811.

The spelling of 495478000 in words is "four hundred ninety-five million, four hundred seventy-eight thousand".