44221421424 has 40 divisors (see below), whose sum is σ = 117326208400. Its totient is φ = 14342082048.

The previous prime is 44221421383. The next prime is 44221421483. The reversal of 44221421424 is 42412412244.

It is a super-2 number, since 2×44221421424² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 44221421391 and 44221421400.

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, 12447949 + ... + 12451500.

It is an arithmetic number, because the mean of its divisors is an integer number (2933155210).

Almost surely, 2^44221421424 is an apocalyptic number.

It is an amenable number.

44221421424 is an abundant number, since it is smaller than the sum of its proper divisors (73104786976).

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

44221421424 is a wasteful number, since it uses less digits than its factorization.

44221421424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24899497 (or 24899491 counting only the distinct ones).

The product of its digits is 16384, while the sum is 30.

Adding to 44221421424 its reverse (42412412244), we get a palindrome (86633833668).

The spelling of 44221421424 in words is "forty-four billion, two hundred twenty-one million, four hundred twenty-one thousand, four hundred twenty-four".