4544442 has 24 divisors (see below), whose sum is σ = 11253216. Its totient is φ = 1298376.

The previous prime is 4544437. The next prime is 4544443. The reversal of 4544442 is 2444454.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4544443) 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 11 ways as a sum of consecutive naturals, for example, 17908 + ... + 18159.

It is an arithmetic number, because the mean of its divisors is an integer number (468884).

Almost surely, 2^4544442 is an apocalyptic number.

4544442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4544442 is an abundant number, since it is smaller than the sum of its proper divisors (6708774).

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

4544442 is a wasteful number, since it uses less digits than its factorization.

4544442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36082 (or 36079 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 4544442 is about 2131.7696873724. The cubic root of 4544442 is about 165.6380802296.

Adding to 4544442 its reverse (2444454), we get a palindrome (6988896).

It can be divided in two parts, 4 and 544442, that added together give a triangular number (544446 = T₁₀₄₃).

The spelling of 4544442 in words is "four million, five hundred forty-four thousand, four hundred forty-two".