40804579 has 4 divisors (see below), whose sum is σ = 41074960. Its totient is φ = 40534200.

The previous prime is 40804567. The next prime is 40804619. The reversal of 40804579 is 97540804.

40804579 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.

It is a cyclic number.

It is not a de Polignac number, because 40804579 - 2¹⁵ = 40771811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40807579) 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, 134964 + ... + 135265.

It is an arithmetic number, because the mean of its divisors is an integer number (10268740).

Almost surely, 2^40804579 is an apocalyptic number.

40804579 is a deficient number, since it is larger than the sum of its proper divisors (270381).

40804579 is a wasteful number, since it uses less digits than its factorization.

40804579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270380.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40804579 is about 6387.8461941409. The cubic root of 40804579 is about 344.2730024797.

The spelling of 40804579 in words is "forty million, eight hundred four thousand, five hundred seventy-nine".