40000543000004 has 6 divisors (see below), whose sum is σ = 70000950250014. Its totient is φ = 20000271500000.

The previous prime is 40000542999983. The next prime is 40000543000007. The reversal of 40000543000004 is 40000034500004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39207659606404 + 792883393600 = 6261602^2 + 890440^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40000543000004.

It is not an unprimeable number, because it can be changed into a prime (40000543000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000067874997 + ... + 5000067875004.

It is an arithmetic number, because the mean of its divisors is an integer number (11666825041669).

Almost surely, 2^{40000543000004} is an apocalyptic number.

It is an amenable number.

40000543000004 is a deficient number, since it is larger than the sum of its proper divisors (30000407250010).

40000543000004 is a wasteful number, since it uses less digits than its factorization.

40000543000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000135750005 (or 10000135750003 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 40000543000004 its reverse (40000034500004), we get a palindrome (80000577500008).

The spelling of 40000543000004 in words is "forty trillion, five hundred forty-three million, four", and thus it is an aban number.