40586489 has 4 divisors (see below), whose sum is σ = 42722640. Its totient is φ = 38450340.

The previous prime is 40586479. The next prime is 40586509. The reversal of 40586489 is 98468504.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40586489 - 2⁴ = 40586473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40586479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068047 + ... + 1068084.

It is an arithmetic number, because the mean of its divisors is an integer number (10680660).

Almost surely, 2^40586489 is an apocalyptic number.

It is an amenable number.

40586489 is a deficient number, since it is larger than the sum of its proper divisors (2136151).

40586489 is a wasteful number, since it uses less digits than its factorization.

40586489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136150.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 40586489 is about 6370.7526242980. The cubic root of 40586489 is about 343.6585562164.

The spelling of 40586489 in words is "forty million, five hundred eighty-six thousand, four hundred eighty-nine".