40288459 has 2 divisors, whose sum is σ = 40288460. Its totient is φ = 40288458.

The previous prime is 40288441. The next prime is 40288483. The reversal of 40288459 is 95488204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40288459 - 2⁷ = 40288331 is a prime.

It is not a weakly prime, because it can be changed into another prime (40288429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20144229 + 20144230.

It is an arithmetic number, because the mean of its divisors is an integer number (20144230).

Almost surely, 2^40288459 is an apocalyptic number.

40288459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40288459 is an equidigital number, since it uses as much as digits as its factorization.

40288459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 40288459 is about 6347.3190403508. The cubic root of 40288459 is about 342.8153176245.

The spelling of 40288459 in words is "forty million, two hundred eighty-eight thousand, four hundred fifty-nine".