41400405 has 24 divisors (see below), whose sum is σ = 72479160. Its totient is φ = 21859200.

The previous prime is 41400383. The next prime is 41400409. The reversal of 41400405 is 50400414.

It can be written as a sum of positive squares in 4 ways, for example, as 6081156 + 35319249 = 2466^2 + 5943^2 .

It is not a de Polignac number, because 41400405 - 2⁷ = 41400277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41400409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (3019965).

Almost surely, 2^41400405 is an apocalyptic number.

41400405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41400405 is a deficient number, since it is larger than the sum of its proper divisors (31078755).

41400405 is a wasteful number, since it uses less digits than its factorization.

41400405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221 (or 9218 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 41400405 is about 6434.3146488185. The cubic root of 41400405 is about 345.9405964598.

Adding to 41400405 its reverse (50400414), we get a palindrome (91800819).

Subtracting 41400405 from its reverse (50400414), we obtain a palindrome (9000009).

The spelling of 41400405 in words is "forty-one million, four hundred thousand, four hundred five".