40005634044453 has 32 divisors (see below), whose sum is σ = 66503701389312. Its totient is φ = 20781888427200.

The previous prime is 40005634044419. The next prime is 40005634044487. The reversal of 40005634044453 is 35444043650004.

It is an interprime number because it is at equal distance from previous prime (40005634044419) and next prime (40005634044487).

It is not a de Polignac number, because 40005634044453 - 2⁸ = 40005634044197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40005634044553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18232723 + ... + 20308703.

It is an arithmetic number, because the mean of its divisors is an integer number (2078240668416).

Almost surely, 2^{40005634044453} is an apocalyptic number.

It is an amenable number.

40005634044453 is a deficient number, since it is larger than the sum of its proper divisors (26498067344859).

40005634044453 is a wasteful number, since it uses less digits than its factorization.

40005634044453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159425.

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 40005634044453 its reverse (35444043650004), we get a palindrome (75449677694457).

The spelling of 40005634044453 in words is "forty trillion, five billion, six hundred thirty-four million, forty-four thousand, four hundred fifty-three".