44221340020 has 72 divisors (see below), whose sum is σ = 109926514152. Its totient is φ = 14843516160.

The previous prime is 44221340017. The next prime is 44221340041. The reversal of 44221340020 is 2004312244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1536953616 + 42684386404 = 39204^2 + 206602^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 44221339973 and 44221340000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671359 + ... + 734278.

It is an arithmetic number, because the mean of its divisors is an integer number (1526757141).

Almost surely, 2^44221340020 is an apocalyptic number.

It is an amenable number.

44221340020 is an abundant number, since it is smaller than the sum of its proper divisors (65705174132).

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

44221340020 is a wasteful number, since it uses less digits than its factorization.

44221340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405681 (or 1405668 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 44221340020 its reverse (2004312244), we get a palindrome (46225652264).

The spelling of 44221340020 in words is "forty-four billion, two hundred twenty-one million, three hundred forty thousand, twenty".