40585219 has 2 divisors, whose sum is σ = 40585220. Its totient is φ = 40585218.

The previous prime is 40585201. The next prime is 40585229. The reversal of 40585219 is 91258504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40585219 - 2⁵ = 40585187 is a prime.

It is a super-2 number, since 2×40585219² = 3294320002555922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40585229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20292609 + 20292610.

It is an arithmetic number, because the mean of its divisors is an integer number (20292610).

Almost surely, 2^40585219 is an apocalyptic number.

40585219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40585219 is an equidigital number, since it uses as much as digits as its factorization.

40585219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 40585219 is about 6370.6529492667. The cubic root of 40585219 is about 343.6549716826.

It can be divided in two parts, 40585 and 219, that added together give a palindrome (40804).

The spelling of 40585219 in words is "forty million, five hundred eighty-five thousand, two hundred nineteen".