1996399533900 has 72 divisors (see below), whose sum is σ = 6116028705360. Its totient is φ = 501057136640.

The previous prime is 1996399533857. The next prime is 1996399533907. The reversal of 1996399533900 is 93359936991.

It is a super-2 number, since 2×1996399533900² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1996399533907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195720345 + ... + 195730544.

It is an arithmetic number, because the mean of its divisors is an integer number (84944843130).

Almost surely, 2^{1996399533900} is an apocalyptic number.

1996399533900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1996399533900 is an abundant number, since it is smaller than the sum of its proper divisors (4119629171460).

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

1996399533900 is a wasteful number, since it uses less digits than its factorization.

1996399533900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391450923 (or 391450916 counting only the distinct ones).

The product of its (nonzero) digits is 47829690, while the sum is 66.

The spelling of 1996399533900 in words is "one trillion, nine hundred ninety-six billion, three hundred ninety-nine million, five hundred thirty-three thousand, nine hundred".