40416847 has 2 divisors, whose sum is σ = 40416848. Its totient is φ = 40416846.

The previous prime is 40416833. The next prime is 40416853. The reversal of 40416847 is 74861404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40416847 - 2¹⁵ = 40384079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40416877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20208423 + 20208424.

It is an arithmetic number, because the mean of its divisors is an integer number (20208424).

Almost surely, 2^40416847 is an apocalyptic number.

40416847 is a deficient number, since it is larger than the sum of its proper divisors (1).

40416847 is an equidigital number, since it uses as much as digits as its factorization.

40416847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 40416847 is about 6357.4245571615. The cubic root of 40416847 is about 343.1790835261.

The spelling of 40416847 in words is "forty million, four hundred sixteen thousand, eight hundred forty-seven".