40000453 has 4 divisors (see below), whose sum is σ = 42105760. Its totient is φ = 37895148.

The previous prime is 40000451. The next prime is 40000463. The reversal of 40000453 is 35400004.

40000453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40000453 - 2¹ = 40000451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000451) 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 3 ways as a sum of consecutive naturals, for example, 1052625 + ... + 1052662.

It is an arithmetic number, because the mean of its divisors is an integer number (10526440).

Almost surely, 2^40000453 is an apocalyptic number.

It is an amenable number.

40000453 is a deficient number, since it is larger than the sum of its proper divisors (2105307).

40000453 is a wasteful number, since it uses less digits than its factorization.

40000453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105306.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40000453 is about 6324.5911330299. The cubic root of 40000453 is about 341.9964803623.

Adding to 40000453 its reverse (35400004), we get a palindrome (75400457).

It can be divided in two parts, 400004 and 53, that multiplied together give a palindrome (21200212).

The spelling of 40000453 in words is "forty million, four hundred fifty-three", and thus it is an aban number.