44012444421 has 16 divisors (see below), whose sum is σ = 64155207168. Its totient is φ = 26617081200.

The previous prime is 44012444353. The next prime is 44012444447. The reversal of 44012444421 is 12444421044.

44012444421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44012444421 - 2⁷ = 44012444293 is a prime.

It is a super-2 number, since 2×44012444421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44012404421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412545 + ... + 1443366.

It is an arithmetic number, because the mean of its divisors is an integer number (4009700448).

Almost surely, 2^44012444421 is an apocalyptic number.

It is an amenable number.

44012444421 is a deficient number, since it is larger than the sum of its proper divisors (20142762747).

44012444421 is a wasteful number, since it uses less digits than its factorization.

44012444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856392.

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

Adding to 44012444421 its reverse (12444421044), we get a palindrome (56456865465).

The spelling of 44012444421 in words is "forty-four billion, twelve million, four hundred forty-four thousand, four hundred twenty-one".