40486345 has 8 divisors (see below), whose sum is σ = 49085064. Its totient is φ = 32054784.

The previous prime is 40486343. The next prime is 40486357. The reversal of 40486345 is 54368404.

40486345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10936249 + 29550096 = 3307^2 + 5436^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40486345 - 2¹ = 40486343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40486345.

It is not an unprimeable number, because it can be changed into a prime (40486343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41254 + ... + 42223.

It is an arithmetic number, because the mean of its divisors is an integer number (6135633).

Almost surely, 2^40486345 is an apocalyptic number.

It is an amenable number.

40486345 is a deficient number, since it is larger than the sum of its proper divisors (8598719).

40486345 is an equidigital number, since it uses as much as digits as its factorization.

40486345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83579.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 40486345 is about 6362.8881021121. Note that the first 3 decimals coincide. The cubic root of 40486345 is about 343.3756731857.

The spelling of 40486345 in words is "forty million, four hundred eighty-six thousand, three hundred forty-five".