40508047 has 8 divisors (see below), whose sum is σ = 40974336. Its totient is φ = 40044312.

The previous prime is 40508033. The next prime is 40508053. The reversal of 40508047 is 74080504.

40508047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40508047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40508077) 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 7 ways as a sum of consecutive naturals, for example, 58968 + ... + 59650.

It is an arithmetic number, because the mean of its divisors is an integer number (5121792).

Almost surely, 2^40508047 is an apocalyptic number.

40508047 is a deficient number, since it is larger than the sum of its proper divisors (466289).

40508047 is a wasteful number, since it uses less digits than its factorization.

40508047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40508047 is about 6364.5932313071. The cubic root of 40508047 is about 343.4370157425.

The spelling of 40508047 in words is "forty million, five hundred eight thousand, forty-seven".