1993322822400 has 2592 divisors, whose sum is σ = 9276489600000. Its totient is φ = 418455797760.

The previous prime is 1993322822389. The next prime is 1993322822423. The reversal of 1993322822400 is 42282233991.

1993322822400 is a `hidden beast` number, since 1 + 9 + 9 + 3 + 322 + 82 + 240 + 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 10016697501 + ... + 10016697699.

Almost surely, 2^{1993322822400} is an apocalyptic number.

1993322822400 is a gapful number since it is divisible by the number (10) 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 1993322822400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4638244800000).

1993322822400 is an abundant number, since it is smaller than the sum of its proper divisors (7283166777600).

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

1993322822400 is a wasteful number, since it uses less digits than its factorization.

1993322822400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1993322822400 in words is "one trillion, nine hundred ninety-three billion, three hundred twenty-two million, eight hundred twenty-two thousand, four hundred".