40395599 has 2 divisors, whose sum is σ = 40395600. Its totient is φ = 40395598.

The previous prime is 40395583. The next prime is 40395643. The reversal of 40395599 is 99559304.

40395599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (40395643) can be obtained adding 40395599 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40395599 - 2⁴ = 40395583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40395529) 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 as a sum of consecutive naturals, namely, 20197799 + 20197800.

It is an arithmetic number, because the mean of its divisors is an integer number (20197800).

Almost surely, 2^40395599 is an apocalyptic number.

40395599 is a deficient number, since it is larger than the sum of its proper divisors (1).

40395599 is an equidigital number, since it uses as much as digits as its factorization.

40395599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 40395599 is about 6355.7532205082. The cubic root of 40395599 is about 343.1189341255.

The spelling of 40395599 in words is "forty million, three hundred ninety-five thousand, five hundred ninety-nine".