9994981082256 has 315 divisors, whose sum is σ = 29511408868347. Its totient is φ = 3277826611200.

The previous prime is 9994981082221. The next prime is 9994981082341. The reversal of 9994981082256 is 6522801894999.

The square root of 9994981082256 is 3161484.

It is a perfect power (a square), and thus also a powerful number.

9994981082256 is a `hidden beast` number, since 9 + 9 + 9 + 498 + 1 + 0 + 82 + 2 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4677271290000 + 5317709792256 = 2162700^2 + 2306016^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 24925139656 + ... + 24925140056.

Almost surely, 2^{9994981082256} is an apocalyptic number.

9994981082256 is the 3161484-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9994981082256

9994981082256 is an abundant number, since it is smaller than the sum of its proper divisors (19516427786091).

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

9994981082256 is an frugal number, since it uses more digits than its factorization.

9994981082256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 72.

The spelling of 9994981082256 in words is "nine trillion, nine hundred ninety-four billion, nine hundred eighty-one million, eighty-two thousand, two hundred fifty-six".