44274918385 has 8 divisors (see below), whose sum is σ = 53131104936. Its totient is φ = 35419132800.

The previous prime is 44274918383. The next prime is 44274918403. The reversal of 44274918385 is 58381947244.

It can be written as a sum of positive squares in 4 ways, for example, as 15200917264 + 29074001121 = 123292^2 + 170511^2 .

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

It is not a de Polignac number, because 44274918385 - 2¹ = 44274918383 is a prime.

It is a super-2 number, since 2×44274918385² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44274918383) 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, 261117 + ... + 395893.

It is an arithmetic number, because the mean of its divisors is an integer number (6641388117).

Almost surely, 2^44274918385 is an apocalyptic number.

It is an amenable number.

44274918385 is a deficient number, since it is larger than the sum of its proper divisors (8856186551).

44274918385 is a wasteful number, since it uses less digits than its factorization.

44274918385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200483.

The product of its digits is 7741440, while the sum is 55.

The spelling of 44274918385 in words is "forty-four billion, two hundred seventy-four million, nine hundred eighteen thousand, three hundred eighty-five".