40361911 has 2 divisors, whose sum is σ = 40361912. Its totient is φ = 40361910.

The previous prime is 40361903. The next prime is 40361953. The reversal of 40361911 is 11916304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40361911 - 2³ = 40361903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40361311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20180955 + 20180956.

It is an arithmetic number, because the mean of its divisors is an integer number (20180956).

Almost surely, 2^40361911 is an apocalyptic number.

40361911 is a deficient number, since it is larger than the sum of its proper divisors (1).

40361911 is an equidigital number, since it uses as much as digits as its factorization.

40361911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 40361911 is about 6353.1024704470. The cubic root of 40361911 is about 343.0235259981.

The spelling of 40361911 in words is "forty million, three hundred sixty-one thousand, nine hundred eleven".