44557171243 has 4 divisors (see below), whose sum is σ = 47984645968. Its totient is φ = 41129696520.

The previous prime is 44557171237. The next prime is 44557171259. The reversal of 44557171243 is 34217175544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44557171243 - 2¹³ = 44557163051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44557171243.

It is not an unprimeable number, because it can be changed into a prime (44557171213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713737343 + ... + 1713737368.

It is an arithmetic number, because the mean of its divisors is an integer number (11996161492).

Almost surely, 2^44557171243 is an apocalyptic number.

44557171243 is a deficient number, since it is larger than the sum of its proper divisors (3427474725).

44557171243 is a wasteful number, since it uses less digits than its factorization.

44557171243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427474724.

The product of its digits is 470400, while the sum is 43.

The spelling of 44557171243 in words is "forty-four billion, five hundred fifty-seven million, one hundred seventy-one thousand, two hundred forty-three".