495616643424 has 432 divisors, whose sum is σ = 1749518250480. Its totient is φ = 132308951040.

The previous prime is 495616643411. The next prime is 495616643453. The reversal of 495616643424 is 424346616594.

495616643424 is a `hidden beast` number, since 4 + 9 + 56 + 166 + 4 + 3 + 424 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19560684 + ... + 19586004.

It is an arithmetic number, because the mean of its divisors is an integer number (4049810765).

Almost surely, 2^495616643424 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 495616643424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874759125240).

495616643424 is an abundant number, since it is smaller than the sum of its proper divisors (1253901607056).

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

495616643424 is a wasteful number, since it uses less digits than its factorization.

495616643424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25443 (or 25425 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 495616643424 in words is "four hundred ninety-five billion, six hundred sixteen million, six hundred forty-three thousand, four hundred twenty-four".