44835218381 has 4 divisors (see below), whose sum is σ = 44835787164. Its totient is φ = 44834649600.

The previous prime is 44835218357. The next prime is 44835218437. The reversal of 44835218381 is 18381253844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7611690025 + 37223528356 = 87245^2 + 192934^2 .

It is a cyclic number.

It is not a de Polignac number, because 44835218381 - 2¹⁸ = 44834956237 is a prime.

It is a super-2 number, since 2×44835218381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44835218081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142580 + ... + 331661.

It is an arithmetic number, because the mean of its divisors is an integer number (11208946791).

Almost surely, 2^44835218381 is an apocalyptic number.

It is an amenable number.

44835218381 is a deficient number, since it is larger than the sum of its proper divisors (568783).

44835218381 is an equidigital number, since it uses as much as digits as its factorization.

44835218381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568782.

The product of its digits is 737280, while the sum is 47.

The spelling of 44835218381 in words is "forty-four billion, eight hundred thirty-five million, two hundred eighteen thousand, three hundred eighty-one".