40032463 has 4 divisors (see below), whose sum is σ = 40046400. Its totient is φ = 40018528.

The previous prime is 40032457. The next prime is 40032479. The reversal of 40032463 is 36423004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40032463 - 2¹⁷ = 39901391 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 (40032403) 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, 895 + ... + 8992.

It is an arithmetic number, because the mean of its divisors is an integer number (10011600).

Almost surely, 2^40032463 is an apocalyptic number.

40032463 is a deficient number, since it is larger than the sum of its proper divisors (13937).

40032463 is an equidigital number, since it uses as much as digits as its factorization.

40032463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 40032463 is about 6327.1212253283. The cubic root of 40032463 is about 342.0876825667.

Adding to 40032463 its reverse (36423004), we get a palindrome (76455467).

The spelling of 40032463 in words is "forty million, thirty-two thousand, four hundred sixty-three".