994220697600 has 1152 divisors, whose sum is σ = 3987251049600. Its totient is φ = 244372930560.

The previous prime is 994220697593. The next prime is 994220697637. The reversal of 994220697600 is 6796022499.

994220697600 is a `hidden beast` number, since 9 + 9 + 4 + 2 + 20 + 6 + 9 + 7 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 95 ways as a sum of consecutive naturals, for example, 1455666859 + ... + 1455667541.

It is an arithmetic number, because the mean of its divisors is an integer number (3461155425).

Almost surely, 2^994220697600 is an apocalyptic number.

994220697600 is a gapful number since it is divisible by the number (90) 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 994220697600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1993625524800).

994220697600 is an abundant number, since it is smaller than the sum of its proper divisors (2993030352000).

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

994220697600 is an equidigital number, since it uses as much as digits as its factorization.

994220697600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 994220697600 in words is "nine hundred ninety-four billion, two hundred twenty million, six hundred ninety-seven thousand, six hundred".