44420020440 has 32 divisors (see below), whose sum is σ = 133260061680. Its totient is φ = 11845338752.

The previous prime is 44420020439. The next prime is 44420020487. The reversal of 44420020440 is 4402002444.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 44420020440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185083299 + ... + 185083538.

Almost surely, 2^44420020440 is an apocalyptic number.

44420020440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44420020440 is an abundant number, since it is smaller than the sum of its proper divisors (88840041240).

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

44420020440 is a wasteful number, since it uses less digits than its factorization.

44420020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370166851 (or 370166847 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 44420020440 its reverse (4402002444), we get a palindrome (48822022884).

The spelling of 44420020440 in words is "forty-four billion, four hundred twenty million, twenty thousand, four hundred forty".