40010811 has 4 divisors (see below), whose sum is σ = 53347752. Its totient is φ = 26673872.

The previous prime is 40010797. The next prime is 40010833. The reversal of 40010811 is 11801004.

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 40010811 - 2⁵ = 40010779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40010011) 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, 6668466 + ... + 6668471.

It is an arithmetic number, because the mean of its divisors is an integer number (13336938).

Almost surely, 2^40010811 is an apocalyptic number.

40010811 is a deficient number, since it is larger than the sum of its proper divisors (13336941).

40010811 is a wasteful number, since it uses less digits than its factorization.

40010811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336940.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 40010811 is about 6325.4099471892. The cubic root of 40010811 is about 342.0259974765.

Adding to 40010811 its reverse (11801004), we get a palindrome (51811815).

It can be divided in two parts, 400 and 10811, that added together give a palindrome (11211).

The spelling of 40010811 in words is "forty million, ten thousand, eight hundred eleven".