9949568256 has 90 divisors (see below), whose sum is σ = 29667874082. Its totient is φ = 3316515840.

The previous prime is 9949568249. The next prime is 9949568323. The reversal of 9949568256 is 6528659499.

9949568256 is a `hidden beast` number, since 9 + 9 + 49 + 568 + 25 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9872409600 + 77158656 = 99360^2 + 8784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9949568193 and 9949568202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 219175 + ... + 260646.

Almost surely, 2^9949568256 is an apocalyptic number.

9949568256 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9949568256 is an abundant number, since it is smaller than the sum of its proper divisors (19718305826).

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

9949568256 is an equidigital number, since it uses as much as digits as its factorization.

9949568256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479849 (or 479826 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The square root of 9949568256 is about 99747.5225557006. The cubic root of 9949568256 is about 2150.8068546192.

The spelling of 9949568256 in words is "nine billion, nine hundred forty-nine million, five hundred sixty-eight thousand, two hundred fifty-six".