40331453 has 2 divisors, whose sum is σ = 40331454. Its totient is φ = 40331452.

The previous prime is 40331449. The next prime is 40331461. The reversal of 40331453 is 35413304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28751044 + 11580409 = 5362^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 40331453 - 2² = 40331449 is a prime.

It is a super-2 number, since 2×40331453² = 3253252202182418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40331483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20165726 + 20165727.

It is an arithmetic number, because the mean of its divisors is an integer number (20165727).

Almost surely, 2^40331453 is an apocalyptic number.

It is an amenable number.

40331453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40331453 is an equidigital number, since it uses as much as digits as its factorization.

40331453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 40331453 is about 6350.7049215028. The cubic root of 40331453 is about 342.9372198789.

Adding to 40331453 its reverse (35413304), we get a palindrome (75744757).

The spelling of 40331453 in words is "forty million, three hundred thirty-one thousand, four hundred fifty-three".