40321304 has 8 divisors (see below), whose sum is σ = 75602460. Its totient is φ = 20160648.

The previous prime is 40321291. The next prime is 40321313. The reversal of 40321304 is 40312304.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520074 + ... + 2520089.

Almost surely, 2^40321304 is an apocalyptic number.

It is an amenable number.

40321304 is a deficient number, since it is larger than the sum of its proper divisors (35281156).

40321304 is a wasteful number, since it uses less digits than its factorization.

40321304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040169 (or 5040165 counting only the distinct ones).

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

The square root of 40321304 is about 6349.9058260733. The cubic root of 40321304 is about 342.9084519111.

Adding to 40321304 its reverse (40312304), we get a palindrome (80633608).

The spelling of 40321304 in words is "forty million, three hundred twenty-one thousand, three hundred four".