43442041431 has 8 divisors (see below), whose sum is σ = 57924246640. Its totient is φ = 28960598592.

The previous prime is 43442041421. The next prime is 43442041439. The reversal of 43442041431 is 13414024434.

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

It is not a de Polignac number, because 43442041431 - 2¹⁰ = 43442040407 is a prime.

It is a super-2 number, since 2×43442041431² (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 (43442041439) 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, 40816 + ... + 297573.

It is an arithmetic number, because the mean of its divisors is an integer number (7240530830).

Almost surely, 2^43442041431 is an apocalyptic number.

43442041431 is a deficient number, since it is larger than the sum of its proper divisors (14482205209).

43442041431 is a wasteful number, since it uses less digits than its factorization.

43442041431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381185.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 43442041431 its reverse (13414024434), we get a palindrome (56856065865).

The spelling of 43442041431 in words is "forty-three billion, four hundred forty-two million, forty-one thousand, four hundred thirty-one".