495805040 has 20 divisors (see below), whose sum is σ = 1152746904. Its totient is φ = 198321984.

The previous prime is 495804973. The next prime is 495805049. The reversal of 495805040 is 40508594.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495805049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3098702 + ... + 3098861.

Almost surely, 2^495805040 is an apocalyptic number.

495805040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495805040 is an abundant number, since it is smaller than the sum of its proper divisors (656941864).

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

495805040 is a wasteful number, since it uses less digits than its factorization.

495805040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197576 (or 6197570 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 495805040 is about 22266.6800399161. The cubic root of 495805040 is about 791.4745945610.

The spelling of 495805040 in words is "four hundred ninety-five million, eight hundred five thousand, forty".