40455205 has 8 divisors (see below), whose sum is σ = 55481472. Its totient is φ = 27740688.

The previous prime is 40455193. The next prime is 40455221. The reversal of 40455205 is 50255404.

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 40455205 - 2¹¹ = 40453157 is a prime.

It is a super-2 number, since 2×40455205² = 3273247223184050, which contains 22 as substring.

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 40455205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577897 + ... + 577966.

It is an arithmetic number, because the mean of its divisors is an integer number (6935184).

Almost surely, 2^40455205 is an apocalyptic number.

It is an amenable number.

40455205 is a deficient number, since it is larger than the sum of its proper divisors (15026267).

40455205 is a wasteful number, since it uses less digits than its factorization.

40455205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155875.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 40455205 is about 6360.4406293904. The cubic root of 40455205 is about 343.2876150098.

The spelling of 40455205 in words is "forty million, four hundred fifty-five thousand, two hundred five".