40080847 has 2 divisors, whose sum is σ = 40080848. Its totient is φ = 40080846.

The previous prime is 40080841. The next prime is 40080863. The reversal of 40080847 is 74808004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40080847 - 2³ = 40080839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40080841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20040423 + 20040424.

It is an arithmetic number, because the mean of its divisors is an integer number (20040424).

Almost surely, 2^40080847 is an apocalyptic number.

40080847 is a deficient number, since it is larger than the sum of its proper divisors (1).

40080847 is an equidigital number, since it uses as much as digits as its factorization.

40080847 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40080847 is about 6330.9436105529. The cubic root of 40080847 is about 342.2254449849.

The spelling of 40080847 in words is "forty million, eighty thousand, eight hundred forty-seven".