190550800 has 180 divisors, whose sum is σ = 523522048. Its totient is φ = 66528000.

The previous prime is 190550797. The next prime is 190550803. The reversal of 190550800 is 8055091.

It is an interprime number because it is at equal distance from previous prime (190550797) and next prime (190550803).

It is not an unprimeable number, because it can be changed into a prime (190550803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1500337 + ... + 1500463.

Almost surely, 2^190550800 is an apocalyptic number.

190550800 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 190550800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261761024).

190550800 is an abundant number, since it is smaller than the sum of its proper divisors (332971248).

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

190550800 is a wasteful number, since it uses less digits than its factorization.

190550800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 190550800 is about 13804.0139090049. The cubic root of 190550800 is about 575.4446969467. Note that the first 3 decimals are identical.

The spelling of 190550800 in words is "one hundred ninety million, five hundred fifty thousand, eight hundred".