40604605 has 4 divisors (see below), whose sum is σ = 48725532. Its totient is φ = 32483680.

The previous prime is 40604593. The next prime is 40604621. The reversal of 40604605 is 50640604.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30536676 + 10067929 = 5526^2 + 3173^2 .

It is not a de Polignac number, because 40604605 - 2⁵ = 40604573 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 40604605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4060456 + ... + 4060465.

It is an arithmetic number, because the mean of its divisors is an integer number (12181383).

Almost surely, 2^40604605 is an apocalyptic number.

It is an amenable number.

40604605 is a deficient number, since it is larger than the sum of its proper divisors (8120927).

40604605 is an equidigital number, since it uses as much as digits as its factorization.

40604605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120926.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40604605 is about 6372.1742757084. The cubic root of 40604605 is about 343.7096798989.

It can be divided in two parts, 40604 and 605, that added together give a square (41209 = 203²).

The spelling of 40604605 in words is "forty million, six hundred four thousand, six hundred five".