44434643445 has 48 divisors (see below), whose sum is σ = 82449249792. Its totient is φ = 22933990080.

The previous prime is 44434643441. The next prime is 44434643453. The reversal of 44434643445 is 54434643444.

44434643445 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 44434643445 - 2² = 44434643441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 44434643445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44434643441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 552202 + ... + 627531.

It is an arithmetic number, because the mean of its divisors is an integer number (1717692704).

Almost surely, 2^44434643445 is an apocalyptic number.

44434643445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44434643445 is a deficient number, since it is larger than the sum of its proper divisors (38014606347).

44434643445 is a wasteful number, since it uses less digits than its factorization.

44434643445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179784 (or 1179772 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 45.

Subtracting 44434643445 from its reverse (54434643444), we obtain a palindrome (9999999999).

The spelling of 44434643445 in words is "forty-four billion, four hundred thirty-four million, six hundred forty-three thousand, four hundred forty-five".