40044412231 has 4 divisors (see below), whose sum is σ = 40074727264. Its totient is φ = 40014097200.

The previous prime is 40044412181. The next prime is 40044412259. The reversal of 40044412231 is 13221444004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40044412231 - 2¹⁷ = 40044281159 is a prime.

It is a super-2 number, since 2×40044412231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40044412196 and 40044412205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40044412531) 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 3 ways as a sum of consecutive naturals, for example, 15155535 + ... + 15158176.

It is an arithmetic number, because the mean of its divisors is an integer number (10018681816).

Almost surely, 2^40044412231 is an apocalyptic number.

40044412231 is a deficient number, since it is larger than the sum of its proper divisors (30315033).

40044412231 is a wasteful number, since it uses less digits than its factorization.

40044412231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30315032.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40044412231 its reverse (13221444004), we get a palindrome (53265856235).

The spelling of 40044412231 in words is "forty billion, forty-four million, four hundred twelve thousand, two hundred thirty-one".