40450144001 has 2 divisors, whose sum is σ = 40450144002. Its totient is φ = 40450144000.

The previous prime is 40450143997. The next prime is 40450144043. The reversal of 40450144001 is 10044105404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34105224976 + 6344919025 = 184676^2 + 79655^2 .

It is a cyclic number.

It is not a de Polignac number, because 40450144001 - 2² = 40450143997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40450144081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225072000 + 20225072001.

It is an arithmetic number, because the mean of its divisors is an integer number (20225072001).

Almost surely, 2^40450144001 is an apocalyptic number.

It is an amenable number.

40450144001 is a deficient number, since it is larger than the sum of its proper divisors (1).

40450144001 is an equidigital number, since it uses as much as digits as its factorization.

40450144001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 40450144001 its reverse (10044105404), we get a palindrome (50494249405).

The spelling of 40450144001 in words is "forty billion, four hundred fifty million, one hundred forty-four thousand, one".