200449442 has 4 divisors (see below), whose sum is σ = 300674166. Its totient is φ = 100224720.

The previous prime is 200449429. The next prime is 200449453. The reversal of 200449442 is 244944002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244944002 = 2 ⋅122472001.

It can be written as a sum of positive squares in only one way, i.e., 124567921 + 75881521 = 11161^2 + 8711^2 .

It is a super-2 number, since 2×200449442² = 80359957596222728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50112359 + ... + 50112362.

Almost surely, 2^200449442 is an apocalyptic number.

200449442 is a deficient number, since it is larger than the sum of its proper divisors (100224724).

200449442 is a wasteful number, since it uses less digits than its factorization.

200449442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100224723.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 200449442 is about 14158.0168809053. The cubic root of 200449442 is about 585.2412787084.

The spelling of 200449442 in words is "two hundred million, four hundred forty-nine thousand, four hundred forty-two".