1996558200 has 768 divisors, whose sum is σ = 8999424000. Its totient is φ = 394813440.

The previous prime is 1996558199. The next prime is 1996558301. The reversal of 1996558200 is 28556991.

1996558200 is a `hidden beast` number, since 1 + 9 + 9 + 65 + 582 + 0 + 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 191 ways as a sum of consecutive naturals, for example, 8353681 + ... + 8353919.

It is an arithmetic number, because the mean of its divisors is an integer number (11718000).

Almost surely, 2^1996558200 is an apocalyptic number.

1996558200 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 1996558200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499712000).

1996558200 is an abundant number, since it is smaller than the sum of its proper divisors (7002865800).

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

1996558200 is a wasteful number, since it uses less digits than its factorization.

1996558200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 1996558200 is about 44682.8624866402. The cubic root of 1996558200 is about 1259.1979022029.

The spelling of 1996558200 in words is "one billion, nine hundred ninety-six million, five hundred fifty-eight thousand, two hundred".