44454444 has 12 divisors (see below), whose sum is σ = 103727064. Its totient is φ = 14818144.

The previous prime is 44454407. The next prime is 44454461. The reversal of 44454444 is 44445444.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852257 + ... + 1852280.

It is an arithmetic number, because the mean of its divisors is an integer number (8643922).

Almost surely, 2^44454444 is an apocalyptic number.

It is an amenable number.

44454444 is an abundant number, since it is smaller than the sum of its proper divisors (59272620).

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

44454444 is a wasteful number, since it uses less digits than its factorization.

44454444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704544 (or 3704542 counting only the distinct ones).

The product of its digits is 81920, while the sum is 33.

The square root of 44454444 is about 6667.4165911543. The cubic root of 44454444 is about 354.2460863523.

Adding to 44454444 its reverse (44445444), we get a palindrome (88899888).

The spelling of 44454444 in words is "forty-four million, four hundred fifty-four thousand, four hundred forty-four".