40486385 has 4 divisors (see below), whose sum is σ = 48583668. Its totient is φ = 32389104.

The previous prime is 40486379. The next prime is 40486421. The reversal of 40486385 is 58368404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21893041 + 18593344 = 4679^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 40486385 - 2²⁰ = 39437809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4048634 + ... + 4048643.

It is an arithmetic number, because the mean of its divisors is an integer number (12145917).

Almost surely, 2^40486385 is an apocalyptic number.

It is an amenable number.

40486385 is a deficient number, since it is larger than the sum of its proper divisors (8097283).

40486385 is an equidigital number, since it uses as much as digits as its factorization.

40486385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8097282.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 40486385 is about 6362.8912453381. The cubic root of 40486385 is about 343.3757862692.

The spelling of 40486385 in words is "forty million, four hundred eighty-six thousand, three hundred eighty-five".