40828585 has 8 divisors (see below), whose sum is σ = 55993536. Its totient is φ = 27996720.

The previous prime is 40828583. The next prime is 40828591. The reversal of 40828585 is 58582804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40828585 - 2¹ = 40828583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40828583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583231 + ... + 583300.

It is an arithmetic number, because the mean of its divisors is an integer number (6999192).

Almost surely, 2^40828585 is an apocalyptic number.

It is an amenable number.

40828585 is a deficient number, since it is larger than the sum of its proper divisors (15164951).

40828585 is a wasteful number, since it uses less digits than its factorization.

40828585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166543.

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 40828585 is about 6389.7249549570. The cubic root of 40828585 is about 344.3405030536.

The spelling of 40828585 in words is "forty million, eight hundred twenty-eight thousand, five hundred eighty-five".