40443126453 has 24 divisors (see below), whose sum is σ = 59389368480. Its totient is φ = 26513897760.

The previous prime is 40443126401. The next prime is 40443126461. The reversal of 40443126453 is 35462134404.

40443126453 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 3 + 1 + 2 + 645 + 3 = 666.

It is not a de Polignac number, because 40443126453 - 2⁸ = 40443126197 is a prime.

It is a super-2 number, since 2×40443126453² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443126953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4507750 + ... + 4516712.

It is an arithmetic number, because the mean of its divisors is an integer number (2474557020).

Almost surely, 2^40443126453 is an apocalyptic number.

It is an amenable number.

40443126453 is a deficient number, since it is larger than the sum of its proper divisors (18946242027).

40443126453 is a wasteful number, since it uses less digits than its factorization.

40443126453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17249 (or 17246 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 40443126453 in words is "forty billion, four hundred forty-three million, one hundred twenty-six thousand, four hundred fifty-three".