40854029 has 2 divisors, whose sum is σ = 40854030. Its totient is φ = 40854028.

The previous prime is 40854013. The next prime is 40854067. The reversal of 40854029 is 92045804.

40854029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31866025 + 8988004 = 5645^2 + 2998^2 .

It is a cyclic number.

It is not a de Polignac number, because 40854029 - 2⁴ = 40854013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40853986 and 40854004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40854089) 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, 20427014 + 20427015.

It is an arithmetic number, because the mean of its divisors is an integer number (20427015).

Almost surely, 2^40854029 is an apocalyptic number.

It is an amenable number.

40854029 is a deficient number, since it is larger than the sum of its proper divisors (1).

40854029 is an equidigital number, since it uses as much as digits as its factorization.

40854029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 40854029 is about 6391.7156538757. The cubic root of 40854029 is about 344.4120181484.

The spelling of 40854029 in words is "forty million, eight hundred fifty-four thousand, twenty-nine".