40341405 has 16 divisors (see below), whose sum is σ = 69511680. Its totient is φ = 19860288.

The previous prime is 40341383. The next prime is 40341421. The reversal of 40341405 is 50414304.

It is not a de Polignac number, because 40341405 - 2⁵ = 40341373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103245 + ... + 103634.

It is an arithmetic number, because the mean of its divisors is an integer number (4344480).

Almost surely, 2^40341405 is an apocalyptic number.

It is an amenable number.

40341405 is a deficient number, since it is larger than the sum of its proper divisors (29170275).

40341405 is a wasteful number, since it uses less digits than its factorization.

40341405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206900.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40341405 is about 6351.4884082394. The cubic root of 40341405 is about 342.9654247519.

Adding to 40341405 its reverse (50414304), we get a palindrome (90755709).

The spelling of 40341405 in words is "forty million, three hundred forty-one thousand, four hundred five".