40804407 has 36 divisors (see below), whose sum is σ = 69636216. Its totient is φ = 22952160.

The previous prime is 40804399. The next prime is 40804409. The reversal of 40804407 is 70440804.

40804407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40804407 - 2³ = 40804399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40804409) 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 35 ways as a sum of consecutive naturals, for example, 28857 + ... + 30237.

Almost surely, 2^40804407 is an apocalyptic number.

40804407 is a deficient number, since it is larger than the sum of its proper divisors (28831809).

40804407 is a wasteful number, since it uses less digits than its factorization.

40804407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 40804407 is about 6387.8327310599. The cubic root of 40804407 is about 344.2725187510.

The spelling of 40804407 in words is "forty million, eight hundred four thousand, four hundred seven".