40325029 has 2 divisors, whose sum is σ = 40325030. Its totient is φ = 40325028.

The previous prime is 40325023. The next prime is 40325063. The reversal of 40325029 is 92052304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 1760929 = 6210^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 40325029 - 2¹⁷ = 40193957 is a prime.

It is a super-2 number, since 2×40325029² = 3252215927701682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40324994 and 40325012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40325023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162514 + 20162515.

It is an arithmetic number, because the mean of its divisors is an integer number (20162515).

Almost surely, 2^40325029 is an apocalyptic number.

It is an amenable number.

40325029 is a deficient number, since it is larger than the sum of its proper divisors (1).

40325029 is an equidigital number, since it uses as much as digits as its factorization.

40325029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 40325029 is about 6350.1991307360. The cubic root of 40325029 is about 342.9190112145.

The spelling of 40325029 in words is "forty million, three hundred twenty-five thousand, twenty-nine".