41405663 has 4 divisors (see below), whose sum is σ = 44590728. Its totient is φ = 38220600.

The previous prime is 41405653. The next prime is 41405671. The reversal of 41405663 is 36650414.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 41405663 - 2⁸ = 41405407 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41405633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592513 + ... + 1592538.

It is an arithmetic number, because the mean of its divisors is an integer number (11147682).

Almost surely, 2^41405663 is an apocalyptic number.

41405663 is a deficient number, since it is larger than the sum of its proper divisors (3185065).

41405663 is a wasteful number, since it uses less digits than its factorization.

41405663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185064.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 41405663 is about 6434.7232263711. The cubic root of 41405663 is about 345.9552410722.

The spelling of 41405663 in words is "forty-one million, four hundred five thousand, six hundred sixty-three".