40855499 has 4 divisors (see below), whose sum is σ = 40869864. Its totient is φ = 40841136.

The previous prime is 40855487. The next prime is 40855559. The reversal of 40855499 is 99455804.

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

It is a cyclic number.

It is not a de Polignac number, because 40855499 - 2¹² = 40851403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40855099) 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 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 9135.

It is an arithmetic number, because the mean of its divisors is an integer number (10217466).

Almost surely, 2^40855499 is an apocalyptic number.

40855499 is a deficient number, since it is larger than the sum of its proper divisors (14365).

40855499 is a wasteful number, since it uses less digits than its factorization.

40855499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14364.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 40855499 is about 6391.8306454411. The cubic root of 40855499 is about 344.4161489494.

The spelling of 40855499 in words is "forty million, eight hundred fifty-five thousand, four hundred ninety-nine".