40412405 has 8 divisors (see below), whose sum is σ = 52903584. Its totient is φ = 29390800.

The previous prime is 40412401. The next prime is 40412441. The reversal of 40412405 is 50421404.

40412405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40412405 - 2² = 40412401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412401) 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 7 ways as a sum of consecutive naturals, for example, 367331 + ... + 367440.

It is an arithmetic number, because the mean of its divisors is an integer number (6612948).

Almost surely, 2^40412405 is an apocalyptic number.

It is an amenable number.

40412405 is a deficient number, since it is larger than the sum of its proper divisors (12491179).

40412405 is a wasteful number, since it uses less digits than its factorization.

40412405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734787.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40412405 is about 6357.0751922563. The cubic root of 40412405 is about 343.1665107382.

Adding to 40412405 its reverse (50421404), we get a palindrome (90833809).

It can be divided in two parts, 4041 and 2405, that added together give a palindrome (6446).

The spelling of 40412405 in words is "forty million, four hundred twelve thousand, four hundred five".