40431141 has 6 divisors (see below), whose sum is σ = 58400550. Its totient is φ = 26954088.

The previous prime is 40431119. The next prime is 40431199. The reversal of 40431141 is 14113404.

40431141 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 only one way, i.e., 39955041 + 476100 = 6321^2 + 690^2 .

It is not a de Polignac number, because 40431141 - 2⁵ = 40431109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431241) 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 5 ways as a sum of consecutive naturals, for example, 2246166 + ... + 2246183.

It is an arithmetic number, because the mean of its divisors is an integer number (9733425).

Almost surely, 2^40431141 is an apocalyptic number.

It is an amenable number.

40431141 is a deficient number, since it is larger than the sum of its proper divisors (17969409).

40431141 is a wasteful number, since it uses less digits than its factorization.

40431141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492355 (or 4492352 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40431141 is about 6358.5486551571. The cubic root of 40431141 is about 343.2195354994.

Adding to 40431141 its reverse (14113404), we get a palindrome (54544545).

It can be divided in two parts, 4043 and 1141, that added together give a square (5184 = 72²).

The spelling of 40431141 in words is "forty million, four hundred thirty-one thousand, one hundred forty-one".