994236052320 has 1728 divisors, whose sum is σ = 4388351385600. Its totient is φ = 203514716160.

The previous prime is 994236052283. The next prime is 994236052349. The reversal of 994236052320 is 23250632499.

994236052320 is a `hidden beast` number, since 9 + 9 + 4 + 2 + 3 + 605 + 2 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1953312226 + ... + 1953312734.

It is an arithmetic number, because the mean of its divisors is an integer number (2539555200).

Almost surely, 2^994236052320 is an apocalyptic number.

994236052320 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 994236052320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194175692800).

994236052320 is an abundant number, since it is smaller than the sum of its proper divisors (3394115333280).

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

994236052320 is a wasteful number, since it uses less digits than its factorization.

994236052320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 994236052320 in words is "nine hundred ninety-four billion, two hundred thirty-six million, fifty-two thousand, three hundred twenty".