44109785831 has 8 divisors (see below), whose sum is σ = 44665596720. Its totient is φ = 43556877952.

The previous prime is 44109785803. The next prime is 44109785833. The reversal of 44109785831 is 13858790144.

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-44109785831 is a prime.

It is a super-2 number, since 2×44109785831² (a number of 22 digits) contains 22 as substring.

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 44109785831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44109785833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695165 + ... + 755958.

It is an arithmetic number, because the mean of its divisors is an integer number (5583199590).

Almost surely, 2^44109785831 is an apocalyptic number.

44109785831 is a deficient number, since it is larger than the sum of its proper divisors (555810889).

44109785831 is a wasteful number, since it uses less digits than its factorization.

44109785831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451505.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 44109785831 in words is "forty-four billion, one hundred nine million, seven hundred eighty-five thousand, eight hundred thirty-one".