44243645447 has 8 divisors (see below), whose sum is σ = 44720572416. Its totient is φ = 43768727352.

The previous prime is 44243645417. The next prime is 44243645449. The reversal of 44243645447 is 74454634244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44243645447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44243645449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457913 + ... + 546050.

It is an arithmetic number, because the mean of its divisors is an integer number (5590071552).

Almost surely, 2^44243645447 is an apocalyptic number.

44243645447 is a deficient number, since it is larger than the sum of its proper divisors (476926969).

44243645447 is a wasteful number, since it uses less digits than its factorization.

44243645447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004437.

The product of its digits is 5160960, while the sum is 47.

The spelling of 44243645447 in words is "forty-four billion, two hundred forty-three million, six hundred forty-five thousand, four hundred forty-seven".