2195027944 has 8 divisors (see below), whose sum is σ = 4115677410. Its totient is φ = 1097513968.

The previous prime is 2195027941. The next prime is 2195027957. The reversal of 2195027944 is 4497205912.

It can be written as a sum of positive squares in only one way, i.e., 1694968900 + 500059044 = 41170^2 + 22362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2195027944³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2195027944.

It is not an unprimeable number, because it can be changed into a prime (2195027941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137189239 + ... + 137189254.

Almost surely, 2^2195027944 is an apocalyptic number.

It is an amenable number.

2195027944 is a deficient number, since it is larger than the sum of its proper divisors (1920649466).

2195027944 is a wasteful number, since it uses less digits than its factorization.

2195027944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274378499 (or 274378495 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2195027944 is about 46851.1253226643. The cubic root of 2195027944 is about 1299.6109178812.

It can be divided in two parts, 21950 and 27944, that added together give a palindrome (49894).

The spelling of 2195027944 in words is "two billion, one hundred ninety-five million, twenty-seven thousand, nine hundred forty-four".