44428348440 has 96 divisors (see below), whose sum is σ = 165019589280. Its totient is φ = 10155050496.

The previous prime is 44428348439. The next prime is 44428348453. The reversal of 44428348440 is 4484382444.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8812629 + ... + 8817668.

It is an arithmetic number, because the mean of its divisors is an integer number (1718954055).

Almost surely, 2^44428348440 is an apocalyptic number.

44428348440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44428348440 is an abundant number, since it is smaller than the sum of its proper divisors (120591240840).

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

44428348440 is a wasteful number, since it uses less digits than its factorization.

44428348440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17630321 (or 17630314 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 45.

The spelling of 44428348440 in words is "forty-four billion, four hundred twenty-eight million, three hundred forty-eight thousand, four hundred forty".