40408105 has 8 divisors (see below), whose sum is σ = 49104000. Its totient is φ = 31916976.

The previous prime is 40408087. The next prime is 40408139. The reversal of 40408105 is 50180404.

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

It is a cyclic number.

It is not a de Polignac number, because 40408105 - 2⁵ = 40408073 is a prime.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50755 + ... + 51544.

It is an arithmetic number, because the mean of its divisors is an integer number (6138000).

Almost surely, 2^40408105 is an apocalyptic number.

It is an amenable number.

40408105 is a deficient number, since it is larger than the sum of its proper divisors (8695895).

40408105 is a wasteful number, since it uses less digits than its factorization.

40408105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102383.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 40408105 is about 6356.7369774122. The cubic root of 40408105 is about 343.1543389942.

Adding to 40408105 its reverse (50180404), we get a palindrome (90588509).

The spelling of 40408105 in words is "forty million, four hundred eight thousand, one hundred five".