44224474644 has 36 divisors (see below), whose sum is σ = 127759594144. Its totient is φ = 12635564112.

The previous prime is 44224474631. The next prime is 44224474649. The reversal of 44224474644 is 44647442244.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 44224474644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44224474649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87746722 + ... + 87747225.

Almost surely, 2^44224474644 is an apocalyptic number.

It is an amenable number.

44224474644 is an abundant number, since it is smaller than the sum of its proper divisors (83535119500).

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

44224474644 is a wasteful number, since it uses less digits than its factorization.

44224474644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175493964 (or 175493959 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 45.

The spelling of 44224474644 in words is "forty-four billion, two hundred twenty-four million, four hundred seventy-four thousand, six hundred forty-four".