40304097 has 6 divisors (see below), whose sum is σ = 58217042. Its totient is φ = 26869392.

The previous prime is 40304083. The next prime is 40304101. The reversal of 40304097 is 79040304.

It can be written as a sum of positive squares in only one way, i.e., 40144896 + 159201 = 6336^2 + 399^2 .

It is not a de Polignac number, because 40304097 - 2⁴ = 40304081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40304097.

It is not an unprimeable number, because it can be changed into a prime (40304057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2239108 + ... + 2239125.

Almost surely, 2^40304097 is an apocalyptic number.

It is an amenable number.

40304097 is a deficient number, since it is larger than the sum of its proper divisors (17912945).

40304097 is a wasteful number, since it uses less digits than its factorization.

40304097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478239 (or 4478236 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40304097 is about 6348.5507795087. The cubic root of 40304097 is about 342.8596665737.

The spelling of 40304097 in words is "forty million, three hundred four thousand, ninety-seven".