40113230405 has 16 divisors (see below), whose sum is σ = 48378555120. Its totient is φ = 31928988672.

The previous prime is 40113230327. The next prime is 40113230429. The reversal of 40113230405 is 50403231104.

It can be written as a sum of positive squares in 8 ways, for example, as 984829924 + 39128400481 = 31382^2 + 197809^2 .

It is a cyclic number.

It is not a de Polignac number, because 40113230405 - 2¹⁴ = 40113214021 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1817597 + ... + 1839533.

It is an arithmetic number, because the mean of its divisors is an integer number (3023659695).

Almost surely, 2^40113230405 is an apocalyptic number.

It is an amenable number.

40113230405 is a deficient number, since it is larger than the sum of its proper divisors (8265324715).

40113230405 is a wasteful number, since it uses less digits than its factorization.

40113230405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23768.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 40113230405 its reverse (50403231104), we get a palindrome (90516461509).

The spelling of 40113230405 in words is "forty billion, one hundred thirteen million, two hundred thirty thousand, four hundred five".