40463 has 4 divisors (see below), whose sum is σ = 41448. Its totient is φ = 39480.

The previous prime is 40459. The next prime is 40471. The reversal of 40463 is 36404.

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 40463 - 2² = 40459 is a prime.

It is a magnanimous number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423) 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, 428 + ... + 513.

It is an arithmetic number, because the mean of its divisors is an integer number (10362).

2⁴⁰⁴⁶³ is an apocalyptic number.

40463 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40463 is a deficient number, since it is larger than the sum of its proper divisors (985).

40463 is an equidigital number, since it uses as much as digits as its factorization.

40463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40463 is about 201.1541697306. The cubic root of 40463 is about 34.3309662071.

Adding to 40463 its reverse (36404), we get a palindrome (76867).

It can be divided in two parts, 404 and 63, that multiplied together give a palindrome (25452).

The spelling of 40463 in words is "forty thousand, four hundred sixty-three".