40361811 has 16 divisors (see below), whose sum is σ = 62284800. Its totient is φ = 22771008.

The previous prime is 40361807. The next prime is 40361813. The reversal of 40361811 is 11816304.

It is not a de Polignac number, because 40361811 - 2² = 40361807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40361813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10506 + ... + 13823.

It is an arithmetic number, because the mean of its divisors is an integer number (3892800).

Almost surely, 2^40361811 is an apocalyptic number.

40361811 is a deficient number, since it is larger than the sum of its proper divisors (21922989).

40361811 is a wasteful number, since it uses less digits than its factorization.

40361811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24418.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 40361811 is about 6353.0946002716. The cubic root of 40361811 is about 343.0232427081.

The spelling of 40361811 in words is "forty million, three hundred sixty-one thousand, eight hundred eleven".