40480439 has 2 divisors, whose sum is σ = 40480440. Its totient is φ = 40480438.

The previous prime is 40480423. The next prime is 40480457. The reversal of 40480439 is 93408404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40480439 - 2⁴ = 40480423 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40480459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20240219 + 20240220.

It is an arithmetic number, because the mean of its divisors is an integer number (20240220).

Almost surely, 2^40480439 is an apocalyptic number.

40480439 is a deficient number, since it is larger than the sum of its proper divisors (1).

40480439 is an equidigital number, since it uses as much as digits as its factorization.

40480439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40480439 is about 6362.4239877581. The cubic root of 40480439 is about 343.3589755777.

The spelling of 40480439 in words is "forty million, four hundred eighty thousand, four hundred thirty-nine".