40431443541 has 8 divisors (see below), whose sum is σ = 53924935584. Its totient is φ = 26946123600.

The previous prime is 40431443539. The next prime is 40431443551. The reversal of 40431443541 is 14534413404.

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

It is not a de Polignac number, because 40431443541 - 2¹ = 40431443539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431443531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031471 + ... + 2051276.

It is an arithmetic number, because the mean of its divisors is an integer number (6740616948).

Almost surely, 2^40431443541 is an apocalyptic number.

It is an amenable number.

40431443541 is a deficient number, since it is larger than the sum of its proper divisors (13493492043).

40431443541 is a wasteful number, since it uses less digits than its factorization.

40431443541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086051.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 40431443541 its reverse (14534413404), we get a palindrome (54965856945).

The spelling of 40431443541 in words is "forty billion, four hundred thirty-one million, four hundred forty-three thousand, five hundred forty-one".