40210101443 has 2 divisors, whose sum is σ = 40210101444. Its totient is φ = 40210101442.

The previous prime is 40210101433. The next prime is 40210101461. The reversal of 40210101443 is 34410101204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40210101443 - 2¹⁶ = 40210035907 is a prime.

It is not a weakly prime, because it can be changed into another prime (40210101433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20105050721 + 20105050722.

It is an arithmetic number, because the mean of its divisors is an integer number (20105050722).

Almost surely, 2^40210101443 is an apocalyptic number.

40210101443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40210101443 is an equidigital number, since it uses as much as digits as its factorization.

40210101443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40210101443 its reverse (34410101204), we get a palindrome (74620202647).

The spelling of 40210101443 in words is "forty billion, two hundred ten million, one hundred one thousand, four hundred forty-three".