40088047 has 2 divisors, whose sum is σ = 40088048. Its totient is φ = 40088046.

The previous prime is 40088029. The next prime is 40088051. The reversal of 40088047 is 74088004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40088047 - 2¹¹ = 40085999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40088077) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20044023 + 20044024.

It is an arithmetic number, because the mean of its divisors is an integer number (20044024).

Almost surely, 2^40088047 is an apocalyptic number.

40088047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40088047 is an equidigital number, since it uses as much as digits as its factorization.

40088047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 40088047 is about 6331.5122206310. The cubic root of 40088047 is about 342.2459358665.

The spelling of 40088047 in words is "forty million, eighty-eight thousand, forty-seven".