40051350220243 has 2 divisors, whose sum is σ = 40051350220244. Its totient is φ = 40051350220242.

The previous prime is 40051350220241. The next prime is 40051350220267. The reversal of 40051350220243 is 34202205315004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40051350220243 - 2¹ = 40051350220241 is a prime.

It is a super-2 number, since 2×40051350220243² (a number of 28 digits) contains 22 as substring.

Together with 40051350220241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40051350220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025675110121 + 20025675110122.

It is an arithmetic number, because the mean of its divisors is an integer number (20025675110122).

Almost surely, 2^{40051350220243} is an apocalyptic number.

40051350220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40051350220243 is an equidigital number, since it uses as much as digits as its factorization.

40051350220243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40051350220243 its reverse (34202205315004), we get a palindrome (74253555535247).

The spelling of 40051350220243 in words is "forty trillion, fifty-one billion, three hundred fifty million, two hundred twenty thousand, two hundred forty-three".