199744402 has 32 divisors (see below), whose sum is σ = 364150080. Its totient is φ = 80915520.

The previous prime is 199744399. The next prime is 199744403. The reversal of 199744402 is 204447991.

It is a super-2 number, since 2×199744402² = 79795652260675208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199744403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3748 + ... + 20335.

It is an arithmetic number, because the mean of its divisors is an integer number (11379690).

Almost surely, 2^199744402 is an apocalyptic number.

199744402 is a deficient number, since it is larger than the sum of its proper divisors (164405678).

199744402 is a wasteful number, since it uses less digits than its factorization.

199744402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 199744402 is about 14133.0959807114. The cubic root of 199744402 is about 584.5543170791.

The spelling of 199744402 in words is "one hundred ninety-nine million, seven hundred forty-four thousand, four hundred two".