40744453 has 2 divisors, whose sum is σ = 40744454. Its totient is φ = 40744452.

The previous prime is 40744409. The next prime is 40744469. The reversal of 40744453 is 35444704.

40744453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 1764 = 6383^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 40744453 - 2¹³ = 40736261 is a prime.

It is a super-2 number, since 2×40744453² = 3320220900538418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40744153) 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 as a sum of consecutive naturals, namely, 20372226 + 20372227.

It is an arithmetic number, because the mean of its divisors is an integer number (20372227).

Almost surely, 2^40744453 is an apocalyptic number.

It is an amenable number.

40744453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744453 is an equidigital number, since it uses as much as digits as its factorization.

40744453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 40744453 is about 6383.1381780438. The cubic root of 40744453 is about 344.1038226598.

The spelling of 40744453 in words is "forty million, seven hundred forty-four thousand, four hundred fifty-three".