40260629 has 2 divisors, whose sum is σ = 40260630. Its totient is φ = 40260628.

The previous prime is 40260611. The next prime is 40260631. The reversal of 40260629 is 92606204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29138404 + 11122225 = 5398^2 + 3335^2 .

It is a cyclic number.

It is not a de Polignac number, because 40260629 - 2¹⁶ = 40195093 is a prime.

Together with 40260631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40260659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20130314 + 20130315.

It is an arithmetic number, because the mean of its divisors is an integer number (20130315).

Almost surely, 2^40260629 is an apocalyptic number.

It is an amenable number.

40260629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40260629 is an equidigital number, since it uses as much as digits as its factorization.

40260629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 40260629 is about 6345.1263974802. The cubic root of 40260629 is about 342.7363640967.

The spelling of 40260629 in words is "forty million, two hundred sixty thousand, six hundred twenty-nine".