4000754026543 has 32 divisors (see below), whose sum is σ = 4432088678400. Its totient is φ = 3594360946176.

The previous prime is 4000754026517. The next prime is 4000754026553. The reversal of 4000754026543 is 3456204570004.

It is not a de Polignac number, because 4000754026543 - 2¹⁷ = 4000753895471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000754026496 and 4000754026505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000754026553) 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, 82613805 + ... + 82662217.

It is an arithmetic number, because the mean of its divisors is an integer number (138502771200).

Almost surely, 2^{4000754026543} is an apocalyptic number.

4000754026543 is a deficient number, since it is larger than the sum of its proper divisors (431334651857).

4000754026543 is a wasteful number, since it uses less digits than its factorization.

4000754026543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50071.

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 4000754026543 its reverse (3456204570004), we get a palindrome (7456958596547).

The spelling of 4000754026543 in words is "four trillion, seven hundred fifty-four million, twenty-six thousand, five hundred forty-three".