199823304256 has 63 divisors (see below), whose sum is σ = 402699568107. Its totient is φ = 98379281280.

The previous prime is 199823304229. The next prime is 199823304277. The reversal of 199823304256 is 652403328991.

The square root of 199823304256 is 447016.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 253904695 + ... + 253905481.

Almost surely, 2^199823304256 is an apocalyptic number.

199823304256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

199823304256 is the 447016-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199823304256

199823304256 is an abundant number, since it is smaller than the sum of its proper divisors (202876263851).

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

199823304256 is an frugal number, since it uses more digits than its factorization.

199823304256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 199823304256 in words is "one hundred ninety-nine billion, eight hundred twenty-three million, three hundred four thousand, two hundred fifty-six".