199327440 has 160 divisors (see below), whose sum is σ = 688705920. Its totient is φ = 47351808.

The previous prime is 199327417. The next prime is 199327441. The reversal of 199327440 is 44723991.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199327441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89379 + ... + 91581.

It is an arithmetic number, because the mean of its divisors is an integer number (4304412).

Almost surely, 2^199327440 is an apocalyptic number.

199327440 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 199327440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344352960).

199327440 is an abundant number, since it is smaller than the sum of its proper divisors (489378480).

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

199327440 is a wasteful number, since it uses less digits than its factorization.

199327440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 199327440 is about 14118.3370125522. The cubic root of 199327440 is about 584.1472856760.

It can be divided in two parts, 19932 and 7440, that added together give a palindrome (27372).

The spelling of 199327440 in words is "one hundred ninety-nine million, three hundred twenty-seven thousand, four hundred forty".