44442442 has 32 divisors (see below), whose sum is σ = 77112000. Its totient is φ = 19017600.

The previous prime is 44442427. The next prime is 44442443. The reversal of 44442442 is 24424444.

It is a super-3 number, since 3×44442442³ (a number of 24 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 44442442.

It is not an unprimeable number, because it can be changed into a prime (44442443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25309 + ... + 27007.

It is an arithmetic number, because the mean of its divisors is an integer number (2409750).

Almost surely, 2^44442442 is an apocalyptic number.

44442442 is a deficient number, since it is larger than the sum of its proper divisors (32669558).

44442442 is a wasteful number, since it uses less digits than its factorization.

44442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its digits is 16384, while the sum is 28.

The square root of 44442442 is about 6666.5164816417. The cubic root of 44442442 is about 354.2142031941.

Adding to 44442442 its reverse (24424444), we get a palindrome (68866886).

It can be divided in two parts, 4444 and 2442, that added together give a palindrome (6886).

The spelling of 44442442 in words is "forty-four million, four hundred forty-two thousand, four hundred forty-two".