40543430552401 has 12 divisors (see below), whose sum is σ = 49937046515748. Its totient is φ = 32707305318912.

The previous prime is 40543430552389. The next prime is 40543430552407. The reversal of 40543430552401 is 10425503434504.

40543430552401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38000123251776 + 2543307300625 = 6164424^2 + 1594775^2 .

It is not a de Polignac number, because 40543430552401 - 2³³ = 40534840617809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40543430552407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24335791816 + ... + 24335793481.

It is an arithmetic number, because the mean of its divisors is an integer number (4161420542979).

Almost surely, 2^{40543430552401} is an apocalyptic number.

It is an amenable number.

40543430552401 is a deficient number, since it is larger than the sum of its proper divisors (9393615963347).

40543430552401 is a wasteful number, since it uses less digits than its factorization.

40543430552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48671585328 (or 48671585321 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 40543430552401 its reverse (10425503434504), we get a palindrome (50968933986905).

The spelling of 40543430552401 in words is "forty trillion, five hundred forty-three billion, four hundred thirty million, five hundred fifty-two thousand, four hundred one".