40413311 has 4 divisors (see below), whose sum is σ = 40966992. Its totient is φ = 39859632.

The previous prime is 40413299. The next prime is 40413313. The reversal of 40413311 is 11331404.

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 40413311 - 2¹⁴ = 40396927 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 40413311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40413313) 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, 276731 + ... + 276876.

It is an arithmetic number, because the mean of its divisors is an integer number (10241748).

Almost surely, 2^40413311 is an apocalyptic number.

40413311 is a deficient number, since it is larger than the sum of its proper divisors (553681).

40413311 is an equidigital number, since it uses as much as digits as its factorization.

40413311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553680.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40413311 is about 6357.1464510423. The cubic root of 40413311 is about 343.1690751862.

Adding to 40413311 its reverse (11331404), we get a palindrome (51744715).

The spelling of 40413311 in words is "forty million, four hundred thirteen thousand, three hundred eleven".