40334321 has 4 divisors (see below), whose sum is σ = 42457200. Its totient is φ = 38211444.

The previous prime is 40334309. The next prime is 40334339. The reversal of 40334321 is 12343304.

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 40334321 - 2¹⁰ = 40333297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40334293 and 40334302.

It is not an unprimeable number, because it can be changed into a prime (40334381) 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, 1061411 + ... + 1061448.

It is an arithmetic number, because the mean of its divisors is an integer number (10614300).

Almost surely, 2^40334321 is an apocalyptic number.

It is an amenable number.

40334321 is a deficient number, since it is larger than the sum of its proper divisors (2122879).

40334321 is a wasteful number, since it uses less digits than its factorization.

40334321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122878.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40334321 is about 6350.9307191938. The cubic root of 40334321 is about 342.9453485276.

Adding to 40334321 its reverse (12343304), we get a palindrome (52677625).

The spelling of 40334321 in words is "forty million, three hundred thirty-four thousand, three hundred twenty-one".