40049507 has 2 divisors, whose sum is σ = 40049508. Its totient is φ = 40049506.

The previous prime is 40049483. The next prime is 40049521. The reversal of 40049507 is 70594004.

40049507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40049507 - 2¹⁰ = 40048483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40049507.

It is not a weakly prime, because it can be changed into another prime (40949507) 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, 20024753 + 20024754.

It is an arithmetic number, because the mean of its divisors is an integer number (20024754).

Almost surely, 2^40049507 is an apocalyptic number.

40049507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40049507 is an equidigital number, since it uses as much as digits as its factorization.

40049507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40049507 is about 6328.4679820633. The cubic root of 40049507 is about 342.1362241316.

The spelling of 40049507 in words is "forty million, forty-nine thousand, five hundred seven".