495761805 has 72 divisors (see below), whose sum is σ = 1079559936. Its totient is φ = 206015040.

The previous prime is 495761797. The next prime is 495761807. The reversal of 495761805 is 508167594.

It is not a de Polignac number, because 495761805 - 2³ = 495761797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495761807) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31612 + ... + 44618.

It is an arithmetic number, because the mean of its divisors is an integer number (14993888).

Almost surely, 2^495761805 is an apocalyptic number.

495761805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

495761805 is an abundant number, since it is smaller than the sum of its proper divisors (583798131).

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

495761805 is a wasteful number, since it uses less digits than its factorization.

495761805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13047 (or 13033 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 495761805 is about 22265.7091735251. The cubic root of 495761805 is about 791.4515879381.

The spelling of 495761805 in words is "four hundred ninety-five million, seven hundred sixty-one thousand, eight hundred five".