495284840 has 16 divisors (see below), whose sum is σ = 1114390980. Its totient is φ = 198113920.

The previous prime is 495284807. The next prime is 495284857. The reversal of 495284840 is 48482594.

It can be written as a sum of positive squares in 2 ways, for example, as 458730724 + 36554116 = 21418^2 + 6046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 495284791 and 495284800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191021 + ... + 6191100.

Almost surely, 2^495284840 is an apocalyptic number.

495284840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495284840 is an abundant number, since it is smaller than the sum of its proper divisors (619106140).

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

495284840 is a wasteful number, since it uses less digits than its factorization.

495284840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12382132 (or 12382128 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 495284840 is about 22254.9958436303. The cubic root of 495284840 is about 791.1976919285.

The spelling of 495284840 in words is "four hundred ninety-five million, two hundred eighty-four thousand, eight hundred forty".