44215513445 has 16 divisors (see below), whose sum is σ = 53880225840. Its totient is φ = 34826379264.

The previous prime is 44215513439. The next prime is 44215513477. The reversal of 44215513445 is 54431551244.

44215513445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1141831681 + 43073681764 = 33791^2 + 207542^2 .

It is a cyclic number.

It is not a de Polignac number, because 44215513445 - 2⁸ = 44215513189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44215513399 and 44215513408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101237 + ... + 314133.

It is an arithmetic number, because the mean of its divisors is an integer number (3367514115).

Almost surely, 2^44215513445 is an apocalyptic number.

It is an amenable number.

44215513445 is a deficient number, since it is larger than the sum of its proper divisors (9664712395).

44215513445 is a wasteful number, since it uses less digits than its factorization.

44215513445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213544.

The product of its digits is 192000, while the sum is 38.

The spelling of 44215513445 in words is "forty-four billion, two hundred fifteen million, five hundred thirteen thousand, four hundred forty-five".