40204097 has 4 divisors (see below), whose sum is σ = 41139120. Its totient is φ = 39269076.

The previous prime is 40204091. The next prime is 40204103. The reversal of 40204097 is 79040204.

40204097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (40204091) and next prime (40204103).

It is a cyclic number.

It is not a de Polignac number, because 40204097 - 2⁶ = 40204033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40204091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467447 + ... + 467532.

It is an arithmetic number, because the mean of its divisors is an integer number (10284780).

Almost surely, 2^40204097 is an apocalyptic number.

It is an amenable number.

40204097 is a deficient number, since it is larger than the sum of its proper divisors (935023).

40204097 is an equidigital number, since it uses as much as digits as its factorization.

40204097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935022.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40204097 is about 6340.6700750000. The cubic root of 40204097 is about 342.5758710919.

The spelling of 40204097 in words is "forty million, two hundred four thousand, ninety-seven".