40144302001 has 2 divisors, whose sum is σ = 40144302002. Its totient is φ = 40144302000.

The previous prime is 40144301999. The next prime is 40144302007. The reversal of 40144302001 is 10020344104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29394759601 + 10749542400 = 171449^2 + 103680^2 .

It is a cyclic number.

It is not a de Polignac number, because 40144302001 - 2¹ = 40144301999 is a prime.

It is a super-2 number, since 2×40144302001² (a number of 22 digits) contains 22 as substring.

Together with 40144301999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40144302001.

It is not a weakly prime, because it can be changed into another prime (40144302007) 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, 20072151000 + 20072151001.

It is an arithmetic number, because the mean of its divisors is an integer number (20072151001).

Almost surely, 2^40144302001 is an apocalyptic number.

It is an amenable number.

40144302001 is a deficient number, since it is larger than the sum of its proper divisors (1).

40144302001 is an equidigital number, since it uses as much as digits as its factorization.

40144302001 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 19.

Adding to 40144302001 its reverse (10020344104), we get a palindrome (50164646105).

The spelling of 40144302001 in words is "forty billion, one hundred forty-four million, three hundred two thousand, one".