200115444 has 12 divisors (see below), whose sum is σ = 466936064. Its totient is φ = 66705144.

The previous prime is 200115437. The next prime is 200115451. The reversal of 200115444 is 444511002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200115437) and next prime (200115451).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 200115444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8338132 + ... + 8338155.

Almost surely, 2^200115444 is an apocalyptic number.

It is an amenable number.

200115444 is an abundant number, since it is smaller than the sum of its proper divisors (266820620).

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

200115444 is a wasteful number, since it uses less digits than its factorization.

200115444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676294 (or 16676292 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 200115444 is about 14146.2165966735. The cubic root of 200115444 is about 584.9160461012.

Adding to 200115444 its reverse (444511002), we get a palindrome (644626446).

The spelling of 200115444 in words is "two hundred million, one hundred fifteen thousand, four hundred forty-four".