40203555543 has 6 divisors (see below), whose sum is σ = 58071802464. Its totient is φ = 26802370356.

The previous prime is 40203555523. The next prime is 40203555547. The reversal of 40203555543 is 34555530204.

40203555543 is a `hidden beast` number, since 40 + 20 + 3 + 5 + 55 + 543 = 666.

40203555543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40203555543 - 2²² = 40199361239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40203555498 and 40203555507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40203555547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2233530855 + ... + 2233530872.

It is an arithmetic number, because the mean of its divisors is an integer number (9678633744).

Almost surely, 2^40203555543 is an apocalyptic number.

40203555543 is a deficient number, since it is larger than the sum of its proper divisors (17868246921).

40203555543 is a wasteful number, since it uses less digits than its factorization.

40203555543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467061733 (or 4467061730 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 40203555543 in words is "forty billion, two hundred three million, five hundred fifty-five thousand, five hundred forty-three".