40543355204201 has 4 divisors (see below), whose sum is σ = 41308324170372. Its totient is φ = 39778386238032.

The previous prime is 40543355204159. The next prime is 40543355204203. The reversal of 40543355204201 is 10240255334504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14173538330176 + 26369816874025 = 3764776^2 + 5135155^2 .

It is a cyclic number.

It is not a de Polignac number, because 40543355204201 - 2⁴² = 36145308693097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40543355204203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382484483006 + ... + 382484483111.

It is an arithmetic number, because the mean of its divisors is an integer number (10327081042593).

Almost surely, 2^{40543355204201} is an apocalyptic number.

It is an amenable number.

40543355204201 is a deficient number, since it is larger than the sum of its proper divisors (764968966171).

40543355204201 is an equidigital number, since it uses as much as digits as its factorization.

40543355204201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764968966170.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 40543355204201 in words is "forty trillion, five hundred forty-three billion, three hundred fifty-five million, two hundred four thousand, two hundred one".