40328599 has 2 divisors, whose sum is σ = 40328600. Its totient is φ = 40328598.

The previous prime is 40328581. The next prime is 40328609. The reversal of 40328599 is 99582304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40328599 - 2⁵ = 40328567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40328569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20164299 + 20164300.

It is an arithmetic number, because the mean of its divisors is an integer number (20164300).

Almost surely, 2^40328599 is an apocalyptic number.

40328599 is a deficient number, since it is larger than the sum of its proper divisors (1).

40328599 is an equidigital number, since it uses as much as digits as its factorization.

40328599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 40328599 is about 6350.4802180623. The cubic root of 40328599 is about 342.9291305273.

The spelling of 40328599 in words is "forty million, three hundred twenty-eight thousand, five hundred ninety-nine".