40022453 has 4 divisors (see below), whose sum is σ = 40376748. Its totient is φ = 39668160.

The previous prime is 40022447. The next prime is 40022459. The reversal of 40022453 is 35422004.

40022453 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.

It is an interprime number because it is at equal distance from previous prime (40022447) and next prime (40022459).

It can be written as a sum of positive squares in 2 ways, for example, as 17960644 + 22061809 = 4238^2 + 4697^2 .

It is a cyclic number.

It is not a de Polignac number, because 40022453 - 2¹⁴ = 40006069 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 (40022459) 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, 176978 + ... + 177203.

It is an arithmetic number, because the mean of its divisors is an integer number (10094187).

Almost surely, 2^40022453 is an apocalyptic number.

It is an amenable number.

40022453 is a deficient number, since it is larger than the sum of its proper divisors (354295).

40022453 is a wasteful number, since it uses less digits than its factorization.

40022453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354294.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40022453 is about 6326.3301368171. The cubic root of 40022453 is about 342.0591675159.

Adding to 40022453 its reverse (35422004), we get a palindrome (75444457).

The spelling of 40022453 in words is "forty million, twenty-two thousand, four hundred fifty-three".