40431240441 has 6 divisors (see below), whose sum is σ = 58400680650. Its totient is φ = 26954160288.

The previous prime is 40431240433. The next prime is 40431240463. The reversal of 40431240441 is 14404213404.

It can be written as a sum of positive squares in only one way, i.e., 39242025216 + 1189215225 = 198096^2 + 34485^2 .

It is not a de Polignac number, because 40431240441 - 2³ = 40431240433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40431240491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2246180016 + ... + 2246180033.

It is an arithmetic number, because the mean of its divisors is an integer number (9733446775).

Almost surely, 2^40431240441 is an apocalyptic number.

It is an amenable number.

40431240441 is a deficient number, since it is larger than the sum of its proper divisors (17969440209).

40431240441 is a wasteful number, since it uses less digits than its factorization.

40431240441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492360055 (or 4492360052 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40431240441 its reverse (14404213404), we get a palindrome (54835453845).

The spelling of 40431240441 in words is "forty billion, four hundred thirty-one million, two hundred forty thousand, four hundred forty-one".