495399996 has 288 divisors, whose sum is σ = 1698144000. Its totient is φ = 123451776.

The previous prime is 495399959. The next prime is 495399997. The reversal of 495399996 is 699993594.

495399996 is a `hidden beast` number, since 4 + 9 + 539 + 9 + 9 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495399997) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1306935 + ... + 1307313.

Almost surely, 2^495399996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495399996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849072000).

495399996 is an abundant number, since it is smaller than the sum of its proper divisors (1202744004).

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

495399996 is a wasteful number, since it uses less digits than its factorization.

495399996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 423 counting only the distinct ones).

The product of its digits is 21257640, while the sum is 63.

The square root of 495399996 is about 22257.5828876363. The cubic root of 495399996 is about 791.2590062091.

It can be divided in two parts, 49 and 5399996, that added together give a palindrome (5400045).

The spelling of 495399996 in words is "four hundred ninety-five million, three hundred ninety-nine thousand, nine hundred ninety-six".