44400002 has 4 divisors (see below), whose sum is σ = 66600006. Its totient is φ = 22200000.

The previous prime is 44400001. The next prime is 44400023. The reversal of 44400002 is 20000444.

44400002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33304441 + 11095561 = 5771^2 + 3331^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44400002.

It is not an unprimeable number, because it can be changed into a prime (44400001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11099999 + ... + 11100002.

Almost surely, 2^44400002 is an apocalyptic number.

44400002 is a deficient number, since it is larger than the sum of its proper divisors (22200004).

44400002 is a wasteful number, since it uses less digits than its factorization.

44400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22200003.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 44400002 is about 6663.3326496581. The cubic root of 44400002 is about 354.1014158237.

Adding to 44400002 its reverse (20000444), we get a palindrome (64400446).

The spelling of 44400002 in words is "forty-four million, four hundred thousand, two".