40321383 has 4 divisors (see below), whose sum is σ = 53761848. Its totient is φ = 26880920.

The previous prime is 40321373. The next prime is 40321403. The reversal of 40321383 is 38312304.

40321383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40321383 - 2⁹ = 40320871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40321313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6720228 + ... + 6720233.

It is an arithmetic number, because the mean of its divisors is an integer number (13440462).

Almost surely, 2^40321383 is an apocalyptic number.

40321383 is a deficient number, since it is larger than the sum of its proper divisors (13440465).

40321383 is a wasteful number, since it uses less digits than its factorization.

40321383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440464.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40321383 is about 6349.9120466350. The cubic root of 40321383 is about 342.9086758601.

Adding to 40321383 its reverse (38312304), we get a palindrome (78633687).

It can be divided in two parts, 40321 and 383, that added together give a palindrome (40704).

The spelling of 40321383 in words is "forty million, three hundred twenty-one thousand, three hundred eighty-three".