40453805 has 8 divisors (see below), whose sum is σ = 55479552. Its totient is φ = 27739728.

The previous prime is 40453789. The next prime is 40453807. The reversal of 40453805 is 50835404.

40453805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40453805 - 2⁴ = 40453789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40453807) 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, 577877 + ... + 577946.

It is an arithmetic number, because the mean of its divisors is an integer number (6934944).

Almost surely, 2^40453805 is an apocalyptic number.

It is an amenable number.

40453805 is a deficient number, since it is larger than the sum of its proper divisors (15025747).

40453805 is a wasteful number, since it uses less digits than its factorization.

40453805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155835.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40453805 is about 6360.3305731699. The cubic root of 40453805 is about 343.2836550068.

The spelling of 40453805 in words is "forty million, four hundred fifty-three thousand, eight hundred five".