994177630268928 has 640 divisors, whose sum is σ = 3538385968803840. Its totient is φ = 269632842301440.

The previous prime is 994177630268903. The next prime is 994177630268941. The reversal of 994177630268928 is 829862036771499.

994177630268928 is a `hidden beast` number, since 9 + 9 + 417 + 76 + 30 + 2 + 6 + 89 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143410825 + ... + 150183287.

It is an arithmetic number, because the mean of its divisors is an integer number (5528728076256).

Almost surely, 2^{994177630268928} 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 994177630268928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769192984401920).

994177630268928 is an abundant number, since it is smaller than the sum of its proper divisors (2544208338534912).

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

994177630268928 is a wasteful number, since it uses less digits than its factorization.

994177630268928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772575 (or 6772553 counting only the distinct ones).

The product of its (nonzero) digits is 3950456832, while the sum is 81.

The spelling of 994177630268928 in words is "nine hundred ninety-four trillion, one hundred seventy-seven billion, six hundred thirty million, two hundred sixty-eight thousand, nine hundred twenty-eight".