40030512664543 has 2 divisors, whose sum is σ = 40030512664544. Its totient is φ = 40030512664542.

The previous prime is 40030512664537. The next prime is 40030512664561. The reversal of 40030512664543 is 34546621503004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40030512664543 is a prime.

It is a super-2 number, since 2×40030512664543² (a number of 28 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 40030512664543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40030512664523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20015256332271 + 20015256332272.

It is an arithmetic number, because the mean of its divisors is an integer number (20015256332272).

Almost surely, 2^{40030512664543} is an apocalyptic number.

40030512664543 is a deficient number, since it is larger than the sum of its proper divisors (1).

40030512664543 is an equidigital number, since it uses as much as digits as its factorization.

40030512664543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 40030512664543 in words is "forty trillion, thirty billion, five hundred twelve million, six hundred sixty-four thousand, five hundred forty-three".