40563413 has 4 divisors (see below), whose sum is σ = 44251008. Its totient is φ = 36875820.

The previous prime is 40563403. The next prime is 40563449. The reversal of 40563413 is 31436504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40563413 - 2⁶ = 40563349 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 (40563403) 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, 1843781 + ... + 1843802.

It is an arithmetic number, because the mean of its divisors is an integer number (11062752).

Almost surely, 2^40563413 is an apocalyptic number.

It is an amenable number.

40563413 is a deficient number, since it is larger than the sum of its proper divisors (3687595).

40563413 is a wasteful number, since it uses less digits than its factorization.

40563413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687594.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40563413 is about 6368.9412777949. The cubic root of 40563413 is about 343.5934132877.

Adding to 40563413 its reverse (31436504), we get a palindrome (71999917).

The spelling of 40563413 in words is "forty million, five hundred sixty-three thousand, four hundred thirteen".