44012642 has 4 divisors (see below), whose sum is σ = 66018966. Its totient is φ = 22006320.

The previous prime is 44012641. The next prime is 44012651. The reversal of 44012642 is 24621044.

44012642 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., 23319241 + 20693401 = 4829^2 + 4549^2 .

It is a super-2 number, since 2×44012642² = 3874225311640328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44012641) 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, 11003159 + ... + 11003162.

Almost surely, 2^44012642 is an apocalyptic number.

44012642 is a deficient number, since it is larger than the sum of its proper divisors (22006324).

44012642 is a wasteful number, since it uses less digits than its factorization.

44012642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22006323.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 44012642 is about 6634.2024388769. The cubic root of 44012642 is about 353.0686414038.

Adding to 44012642 its reverse (24621044), we get a palindrome (68633686).

The spelling of 44012642 in words is "forty-four million, twelve thousand, six hundred forty-two".