40453205 has 16 divisors (see below), whose sum is σ = 54552960. Its totient is φ = 28573248.

The previous prime is 40453201. The next prime is 40453219. The reversal of 40453205 is 50235404.

It is a cyclic number.

It is not a de Polignac number, because 40453205 - 2² = 40453201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40453201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12035 + ... + 15024.

It is an arithmetic number, because the mean of its divisors is an integer number (3409560).

Almost surely, 2^40453205 is an apocalyptic number.

It is an amenable number.

40453205 is a deficient number, since it is larger than the sum of its proper divisors (14099755).

40453205 is a wasteful number, since it uses less digits than its factorization.

40453205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40453205 is about 6360.2834056353. The cubic root of 40453205 is about 343.2819578346.

Adding to 40453205 its reverse (50235404), we get a palindrome (90688609).

The spelling of 40453205 in words is "forty million, four hundred fifty-three thousand, two hundred five".