43113203444 has 24 divisors (see below), whose sum is σ = 76496489160. Its totient is φ = 21257178624.

The previous prime is 43113203437. The next prime is 43113203459. The reversal of 43113203444 is 44430231134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35649971344 + 7463232100 = 188812^2 + 86390^2 .

It is a super-2 number, since 2×43113203444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1955072 + ... + 1977000.

It is an arithmetic number, because the mean of its divisors is an integer number (3187353715).

Almost surely, 2^43113203444 is an apocalyptic number.

It is an amenable number.

43113203444 is a deficient number, since it is larger than the sum of its proper divisors (33383285716).

43113203444 is a wasteful number, since it uses less digits than its factorization.

43113203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28739 (or 28737 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43113203444 its reverse (44430231134), we get a palindrome (87543434578).

The spelling of 43113203444 in words is "forty-three billion, one hundred thirteen million, two hundred three thousand, four hundred forty-four".