495017880 has 128 divisors (see below), whose sum is σ = 1729382400. Its totient is φ = 111002112.

The previous prime is 495017863. The next prime is 495017881. The reversal of 495017880 is 88710594.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495017881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38961 + ... + 50079.

It is an arithmetic number, because the mean of its divisors is an integer number (13510800).

Almost surely, 2^495017880 is an apocalyptic number.

495017880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495017880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864691200).

495017880 is an abundant number, since it is smaller than the sum of its proper divisors (1234364520).

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

495017880 is a wasteful number, since it uses less digits than its factorization.

495017880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193 (or 11189 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 495017880 is about 22248.9972807765. The cubic root of 495017880 is about 791.0555137452.

The spelling of 495017880 in words is "four hundred ninety-five million, seventeen thousand, eight hundred eighty".