40503213543 has 32 divisors (see below), whose sum is σ = 58852120320. Its totient is φ = 24628158720.

The previous prime is 40503213533. The next prime is 40503213559. The reversal of 40503213543 is 34531230504.

It is not a de Polignac number, because 40503213543 - 2⁸ = 40503213287 is a prime.

It is a super-2 number, since 2×40503213543² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40503213543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40503213533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6699480 + ... + 6705522.

It is an arithmetic number, because the mean of its divisors is an integer number (1839128760).

Almost surely, 2^40503213543 is an apocalyptic number.

40503213543 is a deficient number, since it is larger than the sum of its proper divisors (18348906777).

40503213543 is a wasteful number, since it uses less digits than its factorization.

40503213543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8079.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 40503213543 in words is "forty billion, five hundred three million, two hundred thirteen thousand, five hundred forty-three".