44220224640 has 64 divisors (see below), whose sum is σ = 140951972160. Its totient is φ = 11792059392.

The previous prime is 44220224639. The next prime is 44220224669. The reversal of 44220224640 is 4642202244.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 44220224598 and 44220224607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11513764 + ... + 11517603.

It is an arithmetic number, because the mean of its divisors is an integer number (2202374565).

Almost surely, 2^44220224640 is an apocalyptic number.

44220224640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44220224640 is an abundant number, since it is smaller than the sum of its proper divisors (96731747520).

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

44220224640 is a wasteful number, since it uses less digits than its factorization.

44220224640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031389 (or 23031377 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 44220224640 its reverse (4642202244), we get a palindrome (48862426884).

The spelling of 44220224640 in words is "forty-four billion, two hundred twenty million, two hundred twenty-four thousand, six hundred forty".