44021112423444 has 72 divisors (see below), whose sum is σ = 120039399873120. Its totient is φ = 13521882699072.

The previous prime is 44021112423433. The next prime is 44021112423479. The reversal of 44021112423444 is 44432421112044.

44021112423444 is a `hidden beast` number, since 4 + 4 + 0 + 211 + 12 + 423 + 4 + 4 + 4 = 666.

It is a super-2 number, since 2×44021112423444² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44021112423399 and 44021112423408.

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, 79846414 + ... + 80395845.

Almost surely, 2^{44021112423444} is an apocalyptic number.

It is an amenable number.

44021112423444 is an abundant number, since it is smaller than the sum of its proper divisors (76018287449676).

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

44021112423444 is a wasteful number, since it uses less digits than its factorization.

44021112423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160242869 (or 160242864 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 44021112423444 its reverse (44432421112044), we get a palindrome (88453533535488).

The spelling of 44021112423444 in words is "forty-four trillion, twenty-one billion, one hundred twelve million, four hundred twenty-three thousand, four hundred forty-four".