495044478 has 12 divisors (see below), whose sum is σ = 1072596408. Its totient is φ = 165014820.

The previous prime is 495044477. The next prime is 495044483. The reversal of 495044478 is 874440594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495044477) 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 5 ways as a sum of consecutive naturals, for example, 13751218 + ... + 13751253.

It is an arithmetic number, because the mean of its divisors is an integer number (89383034).

Almost surely, 2^495044478 is an apocalyptic number.

495044478 is an abundant number, since it is smaller than the sum of its proper divisors (577551930).

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

495044478 is a wasteful number, since it uses less digits than its factorization.

495044478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502479 (or 27502476 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 495044478 is about 22249.5950075501. The cubic root of 495044478 is about 791.0696816628.

The spelling of 495044478 in words is "four hundred ninety-five million, forty-four thousand, four hundred seventy-eight".