199901480 has 32 divisors (see below), whose sum is σ = 454424040. Its totient is φ = 79134720.

The previous prime is 199901479. The next prime is 199901497. The reversal of 199901480 is 84109991.

It can be written as a sum of positive squares in 4 ways, for example, as 81396484 + 118504996 = 9022^2 + 10886^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21881 + ... + 29640.

Almost surely, 2^199901480 is an apocalyptic number.

199901480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199901480 is an abundant number, since it is smaller than the sum of its proper divisors (254522560).

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

199901480 is a wasteful number, since it uses less digits than its factorization.

199901480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51629 (or 51625 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 199901480 is about 14138.6519866641. The cubic root of 199901480 is about 584.7075071285.

The spelling of 199901480 in words is "one hundred ninety-nine million, nine hundred one thousand, four hundred eighty".