40321441 has 4 divisors (see below), whose sum is σ = 41179392. Its totient is φ = 39463492.

The previous prime is 40321423. The next prime is 40321447. The reversal of 40321441 is 14412304.

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 40321441 - 2⁷ = 40321313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40321447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428905 + ... + 428998.

It is an arithmetic number, because the mean of its divisors is an integer number (10294848).

Almost surely, 2^40321441 is an apocalyptic number.

It is an amenable number.

40321441 is a deficient number, since it is larger than the sum of its proper divisors (857951).

40321441 is an equidigital number, since it uses as much as digits as its factorization.

40321441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857950.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40321441 is about 6349.9166136257. The cubic root of 40321441 is about 342.9088402782.

Adding to 40321441 its reverse (14412304), we get a palindrome (54733745).

The spelling of 40321441 in words is "forty million, three hundred twenty-one thousand, four hundred forty-one".