40582489 has 2 divisors, whose sum is σ = 40582490. Its totient is φ = 40582488.

The previous prime is 40582457. The next prime is 40582541. The reversal of 40582489 is 98428504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 14745600 = 5083^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 40582489 - 2⁵ = 40582457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40582589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20291244 + 20291245.

It is an arithmetic number, because the mean of its divisors is an integer number (20291245).

Almost surely, 2^40582489 is an apocalyptic number.

It is an amenable number.

40582489 is a deficient number, since it is larger than the sum of its proper divisors (1).

40582489 is an equidigital number, since it uses as much as digits as its factorization.

40582489 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40582489 is about 6370.4386819119. The cubic root of 40582489 is about 343.6472660932.

The spelling of 40582489 in words is "forty million, five hundred eighty-two thousand, four hundred eighty-nine".