40832149 has 2 divisors, whose sum is σ = 40832150. Its totient is φ = 40832148.

The previous prime is 40832137. The next prime is 40832161. The reversal of 40832149 is 94123804.

40832149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40832137) and next prime (40832161).

It can be written as a sum of positive squares in only one way, i.e., 40832100 + 49 = 6390^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 40832149 - 2⁷ = 40832021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40832149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40832749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20416074 + 20416075.

It is an arithmetic number, because the mean of its divisors is an integer number (20416075).

Almost surely, 2^40832149 is an apocalyptic number.

It is an amenable number.

40832149 is a deficient number, since it is larger than the sum of its proper divisors (1).

40832149 is an equidigital number, since it uses as much as digits as its factorization.

40832149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40832149 is about 6390.0038341147. The cubic root of 40832149 is about 344.3505221276.

It can be divided in two parts, 408321 and 49, that multiplied together give a square (20007729 = 4473²).

The spelling of 40832149 in words is "forty million, eight hundred thirty-two thousand, one hundred forty-nine".