44421015320 has 64 divisors (see below), whose sum is σ = 109865859840. Its totient is φ = 16029769600.

The previous prime is 44421015319. The next prime is 44421015323. The reversal of 44421015320 is 2351012444.

It is a self number, because there is not a number n which added to its sum of digits gives 44421015320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421015323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 327692 + ... + 442971.

It is an arithmetic number, because the mean of its divisors is an integer number (1716654060).

Almost surely, 2^44421015320 is an apocalyptic number.

44421015320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44421015320 is an abundant number, since it is smaller than the sum of its proper divisors (65444844520).

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

44421015320 is a wasteful number, since it uses less digits than its factorization.

44421015320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770816 (or 770812 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 44421015320 its reverse (2351012444), we get a palindrome (46772027764).

The spelling of 44421015320 in words is "forty-four billion, four hundred twenty-one million, fifteen thousand, three hundred twenty".