44123869 has 8 divisors (see below), whose sum is σ = 45418968. Its totient is φ = 42834240.

The previous prime is 44123851. The next prime is 44123897. The reversal of 44123869 is 96832144.

44123869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16687225 + 27436644 = 4085^2 + 5238^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44123869 - 2⁵ = 44123837 is a prime.

It is a super-2 number, since 2×44123869² = 3893831631058322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44123809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19539 + ... + 21679.

It is an arithmetic number, because the mean of its divisors is an integer number (5677371).

Almost surely, 2^44123869 is an apocalyptic number.

It is an amenable number.

44123869 is a deficient number, since it is larger than the sum of its proper divisors (1295099).

44123869 is a wasteful number, since it uses less digits than its factorization.

44123869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735.

The product of its digits is 41472, while the sum is 37.

The square root of 44123869 is about 6642.5799957547. The cubic root of 44123869 is about 353.3658115590.

It can be divided in two parts, 4412 and 3869, that added together give a square (8281 = 91²).

The spelling of 44123869 in words is "forty-four million, one hundred twenty-three thousand, eight hundred sixty-nine".