44420440 has 32 divisors (see below), whose sum is σ = 101360160. Its totient is φ = 17516800.

The previous prime is 44420417. The next prime is 44420447. The reversal of 44420440 is 4402444.

44420440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44420447) 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 7 ways as a sum of consecutive naturals, for example, 4981 + ... + 10660.

It is an arithmetic number, because the mean of its divisors is an integer number (3167505).

Almost surely, 2^44420440 is an apocalyptic number.

44420440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44420440 is an abundant number, since it is smaller than the sum of its proper divisors (56939720).

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

44420440 is a wasteful number, since it uses less digits than its factorization.

44420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723 (or 15719 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 44420440 is about 6664.8660901777. The cubic root of 44420440 is about 354.1557402550.

Adding to 44420440 its reverse (4402444), we get a palindrome (48822884).

The spelling of 44420440 in words is "forty-four million, four hundred twenty thousand, four hundred forty".