40508715 has 32 divisors (see below), whose sum is σ = 70136640. Its totient is φ = 19846656.

The previous prime is 40508711. The next prime is 40508719. The reversal of 40508715 is 51780504.

40508715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40508711) and next prime (40508719).

It is not a de Polignac number, because 40508715 - 2² = 40508711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40508711) 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 in 31 ways as a sum of consecutive naturals, for example, 56781 + ... + 57489.

It is an arithmetic number, because the mean of its divisors is an integer number (2191770).

Almost surely, 2^40508715 is an apocalyptic number.

40508715 is a deficient number, since it is larger than the sum of its proper divisors (29627925).

40508715 is a wasteful number, since it uses less digits than its factorization.

40508715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 40508715 is about 6364.6457089142. The cubic root of 40508715 is about 343.4389035540.

The spelling of 40508715 in words is "forty million, five hundred eight thousand, seven hundred fifteen".