199442488 has 32 divisors (see below), whose sum is σ = 428277600. Its totient is φ = 85295232.

The previous prime is 199442473. The next prime is 199442513. The reversal of 199442488 is 884244991.

It is a congruent number.

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, 25006 + ... + 32002.

It is an arithmetic number, because the mean of its divisors is an integer number (13383675).

Almost surely, 2^199442488 is an apocalyptic number.

It is an amenable number.

199442488 is an abundant number, since it is smaller than the sum of its proper divisors (228835112).

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

199442488 is a wasteful number, since it uses less digits than its factorization.

199442488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519 (or 7515 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 199442488 is about 14122.4108423456. The cubic root of 199442488 is about 584.2596502878.

The spelling of 199442488 in words is "one hundred ninety-nine million, four hundred forty-two thousand, four hundred eighty-eight".