444482728737 has 4 divisors (see below), whose sum is σ = 592643638320. Its totient is φ = 296321819156.

The previous prime is 444482728721. The next prime is 444482728741. The reversal of 444482728737 is 737827284444.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444482728737 - 2⁴ = 444482728721 is a prime.

It is a super-2 number, since 2×444482728737² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444482728777) 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, 74080454787 + ... + 74080454792.

It is an arithmetic number, because the mean of its divisors is an integer number (148160909580).

Almost surely, 2^444482728737 is an apocalyptic number.

It is an amenable number.

444482728737 is a deficient number, since it is larger than the sum of its proper divisors (148160909583).

444482728737 is a wasteful number, since it uses less digits than its factorization.

444482728737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148160909582.

The product of its digits is 67436544, while the sum is 60.

The spelling of 444482728737 in words is "four hundred forty-four billion, four hundred eighty-two million, seven hundred twenty-eight thousand, seven hundred thirty-seven".