44163622272 has 256 divisors, whose sum is σ = 146604257280. Its totient is φ = 11443783680.

The previous prime is 44163622267. The next prime is 44163622297. The reversal of 44163622272 is 27222636144.

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 44163622272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14398083 + ... + 14401149.

It is an arithmetic number, because the mean of its divisors is an integer number (572672880).

Almost surely, 2^44163622272 is an apocalyptic number.

44163622272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44163622272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73302128640).

44163622272 is an abundant number, since it is smaller than the sum of its proper divisors (102440635008).

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

44163622272 is a wasteful number, since it uses less digits than its factorization.

44163622272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3577 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

It can be divided in two parts, 44163 and 622272, that added together give a triangular number (666435 = T₁₁₅₄).

The spelling of 44163622272 in words is "forty-four billion, one hundred sixty-three million, six hundred twenty-two thousand, two hundred seventy-two".