44421612444 has 54 divisors (see below), whose sum is σ = 123423973400. Its totient is φ = 13461093360.

The previous prime is 44421612397. The next prime is 44421612451.

44421612444 is nontrivially palindromic in base 10.

44421612444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 = 44421612399 and 44421612408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5094544 + ... + 5103255.

Almost surely, 2^44421612444 is an apocalyptic number.

44421612444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44421612444 is an abundant number, since it is smaller than the sum of its proper divisors (79002360956).

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

44421612444 is a wasteful number, since it uses less digits than its factorization.

44421612444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197831 (or 10197815 counting only the distinct ones).

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

The spelling of 44421612444 in words is "forty-four billion, four hundred twenty-one million, six hundred twelve thousand, four hundred forty-four".