40986311 has 4 divisors (see below), whose sum is σ = 41137824. Its totient is φ = 40834800.

The previous prime is 40986307. The next prime is 40986317. The reversal of 40986311 is 11368904.

It is a happy number.

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 40986311 - 2² = 40986307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40986317) 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, 75350 + ... + 75891.

It is an arithmetic number, because the mean of its divisors is an integer number (10284456).

Almost surely, 2^40986311 is an apocalyptic number.

40986311 is a deficient number, since it is larger than the sum of its proper divisors (151513).

40986311 is a wasteful number, since it uses less digits than its factorization.

40986311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151512.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 40986311 is about 6402.0552168815. The cubic root of 40986311 is about 344.7833436317.

The spelling of 40986311 in words is "forty million, nine hundred eighty-six thousand, three hundred eleven".