40300453 has 8 divisors (see below), whose sum is σ = 41020568. Its totient is φ = 39585024.

The previous prime is 40300451. The next prime is 40300457. The reversal of 40300453 is 35400304.

It can be written as a sum of positive squares in 4 ways, for example, as 5230369 + 35070084 = 2287^2 + 5922^2 .

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 40300453 - 2¹ = 40300451 is a prime.

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 40300453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40300451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19225 + ... + 21217.

It is an arithmetic number, because the mean of its divisors is an integer number (5127571).

Almost surely, 2^40300453 is an apocalyptic number.

It is an amenable number.

40300453 is a deficient number, since it is larger than the sum of its proper divisors (720115).

40300453 is a wasteful number, since it uses less digits than its factorization.

40300453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40300453 is about 6348.2637783885. The cubic root of 40300453 is about 342.8493333125.

Adding to 40300453 its reverse (35400304), we get a palindrome (75700757).

The spelling of 40300453 in words is "forty million, three hundred thousand, four hundred fifty-three".