40579361 has 4 divisors (see below), whose sum is σ = 40632900. Its totient is φ = 40525824.

The previous prime is 40579349. The next prime is 40579369. The reversal of 40579361 is 16397504.

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 13278736 + 27300625 = 3644^2 + 5225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40579361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40579369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25616 + ... + 27153.

It is an arithmetic number, because the mean of its divisors is an integer number (10158225).

Almost surely, 2^40579361 is an apocalyptic number.

It is an amenable number.

40579361 is a deficient number, since it is larger than the sum of its proper divisors (53539).

40579361 is an equidigital number, since it uses as much as digits as its factorization.

40579361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53538.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 40579361 is about 6370.1931681857. The cubic root of 40579361 is about 343.6384366999.

The spelling of 40579361 in words is "forty million, five hundred seventy-nine thousand, three hundred sixty-one".