40204067 has 4 divisors (see below), whose sum is σ = 41184696. Its totient is φ = 39223440.

The previous prime is 40204049. The next prime is 40204091. The reversal of 40204067 is 76040204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40204067 - 2²⁰ = 39155491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40204027) 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, 490253 + ... + 490334.

It is an arithmetic number, because the mean of its divisors is an integer number (10296174).

Almost surely, 2^40204067 is an apocalyptic number.

40204067 is a deficient number, since it is larger than the sum of its proper divisors (980629).

40204067 is an equidigital number, since it uses as much as digits as its factorization.

40204067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980628.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40204067 is about 6340.6677093189. The cubic root of 40204067 is about 342.5757858827.

The spelling of 40204067 in words is "forty million, two hundred four thousand, sixty-seven".