40304307 has 8 divisors (see below), whose sum is σ = 53886976. Its totient is φ = 26795592.

The previous prime is 40304293. The next prime is 40304311. The reversal of 40304307 is 70340304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40304307 - 2¹⁰ = 40303283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40304317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17203 + ... + 19404.

It is an arithmetic number, because the mean of its divisors is an integer number (6735872).

Almost surely, 2^40304307 is an apocalyptic number.

40304307 is a deficient number, since it is larger than the sum of its proper divisors (13582669).

40304307 is a wasteful number, since it uses less digits than its factorization.

40304307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36977.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 40304307 is about 6348.5673186948. The cubic root of 40304307 is about 342.8602620500.

The spelling of 40304307 in words is "forty million, three hundred four thousand, three hundred seven".