40328459 has 2 divisors, whose sum is σ = 40328460. Its totient is φ = 40328458.

The previous prime is 40328443. The next prime is 40328467. The reversal of 40328459 is 95482304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40328459 - 2⁴ = 40328443 is a prime.

It is not a weakly prime, because it can be changed into another prime (40328419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20164229 + 20164230.

It is an arithmetic number, because the mean of its divisors is an integer number (20164230).

Almost surely, 2^40328459 is an apocalyptic number.

40328459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40328459 is an equidigital number, since it uses as much as digits as its factorization.

40328459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40328459 is about 6350.4691952642. The cubic root of 40328459 is about 342.9287337028.

The spelling of 40328459 in words is "forty million, three hundred twenty-eight thousand, four hundred fifty-nine".