495661854 has 16 divisors (see below), whose sum is σ = 1043498880. Its totient is φ = 156524760.

The previous prime is 495661849. The next prime is 495661867. The reversal of 495661854 is 458166594.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2173842 + ... + 2174069.

It is an arithmetic number, because the mean of its divisors is an integer number (65218680).

Almost surely, 2^495661854 is an apocalyptic number.

495661854 is an abundant number, since it is smaller than the sum of its proper divisors (547837026).

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

495661854 is a wasteful number, since it uses less digits than its factorization.

495661854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347935.

The product of its digits is 1036800, while the sum is 48.

The square root of 495661854 is about 22263.4645551855. The cubic root of 495661854 is about 791.3983959322.

The spelling of 495661854 in words is "four hundred ninety-five million, six hundred sixty-one thousand, eight hundred fifty-four".