44215642 has 8 divisors (see below), whose sum is σ = 66524832. Its totient is φ = 22040700.

The previous prime is 44215627. The next prime is 44215643. The reversal of 44215642 is 24651244.

44215642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44215642.

It is not an unprimeable number, because it can be changed into a prime (44215643) 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 in 3 ways as a sum of consecutive naturals, for example, 32734 + ... + 34057.

It is an arithmetic number, because the mean of its divisors is an integer number (8315604).

Almost surely, 2^44215642 is an apocalyptic number.

44215642 is a deficient number, since it is larger than the sum of its proper divisors (22309190).

44215642 is a wasteful number, since it uses less digits than its factorization.

44215642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67124.

The product of its digits is 7680, while the sum is 28.

The square root of 44215642 is about 6649.4843409095. The cubic root of 44215642 is about 353.6106297948.

Adding to 44215642 its reverse (24651244), we get a palindrome (68866886).

The spelling of 44215642 in words is "forty-four million, two hundred fifteen thousand, six hundred forty-two".