40580429 has 2 divisors, whose sum is σ = 40580430. Its totient is φ = 40580428.

The previous prime is 40580417. The next prime is 40580467. The reversal of 40580429 is 92408504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32228329 + 8352100 = 5677^2 + 2890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40580429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40580395 and 40580404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40580489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20290214 + 20290215.

It is an arithmetic number, because the mean of its divisors is an integer number (20290215).

Almost surely, 2^40580429 is an apocalyptic number.

It is an amenable number.

40580429 is a deficient number, since it is larger than the sum of its proper divisors (1).

40580429 is an equidigital number, since it uses as much as digits as its factorization.

40580429 is an evil number, because the sum of its binary digits is even.

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

The square root of 40580429 is about 6370.2769955474. The cubic root of 40580429 is about 343.6414513903.

The spelling of 40580429 in words is "forty million, five hundred eighty thousand, four hundred twenty-nine".