495426057984 has 648 divisors, whose sum is σ = 1705282121088. Its totient is φ = 137113067520.

The previous prime is 495426057961. The next prime is 495426057991. The reversal of 495426057984 is 489750624594.

495426057984 is a `hidden beast` number, since 4 + 9 + 54 + 2 + 6 + 0 + 579 + 8 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 441162447 + ... + 441163569.

Almost surely, 2^495426057984 is an apocalyptic number.

495426057984 is a gapful number since it is divisible by the number (44) 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 495426057984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852641060544).

495426057984 is an abundant number, since it is smaller than the sum of its proper divisors (1209856063104).

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

495426057984 is a wasteful number, since it uses less digits than its factorization.

495426057984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 495426057984 in words is "four hundred ninety-five billion, four hundred twenty-six million, fifty-seven thousand, nine hundred eighty-four".