199804480 has 112 divisors (see below), whose sum is σ = 495549936. Its totient is φ = 76677120.

The previous prime is 199804469. The next prime is 199804529. The reversal of 199804480 is 84408991.

It can be written as a sum of positive squares in 8 ways, for example, as 43454464 + 156350016 = 6592^2 + 12504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272562 + ... + 1272718.

It is an arithmetic number, because the mean of its divisors is an integer number (4424553).

Almost surely, 2^199804480 is an apocalyptic number.

199804480 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 199804480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247774968).

199804480 is an abundant number, since it is smaller than the sum of its proper divisors (295745456).

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

199804480 is a wasteful number, since it uses less digits than its factorization.

199804480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 199804480 is about 14135.2212575538. The cubic root of 199804480 is about 584.6129175263.

The spelling of 199804480 in words is "one hundred ninety-nine million, eight hundred four thousand, four hundred eighty".