40413016405 has 4 divisors (see below), whose sum is σ = 48495619692. Its totient is φ = 32330413120.

The previous prime is 40413016393. The next prime is 40413016451. The reversal of 40413016405 is 50461031404.

40413016405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17531613649 + 22881402756 = 132407^2 + 151266^2 .

It is not a de Polignac number, because 40413016405 - 2⁷ = 40413016277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041301636 + ... + 4041301645.

It is an arithmetic number, because the mean of its divisors is an integer number (12123904923).

Almost surely, 2^40413016405 is an apocalyptic number.

It is an amenable number.

40413016405 is a deficient number, since it is larger than the sum of its proper divisors (8082603287).

40413016405 is an equidigital number, since it uses as much as digits as its factorization.

40413016405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082603286.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 40413016405 its reverse (50461031404), we get a palindrome (90874047809).

The spelling of 40413016405 in words is "forty billion, four hundred thirteen million, sixteen thousand, four hundred five".