40401003143 has 2 divisors, whose sum is σ = 40401003144. Its totient is φ = 40401003142.

The previous prime is 40401003109. The next prime is 40401003151. The reversal of 40401003143 is 34130010404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40401003143 - 2¹² = 40400999047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40401003163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200501571 + 20200501572.

It is an arithmetic number, because the mean of its divisors is an integer number (20200501572).

Almost surely, 2^40401003143 is an apocalyptic number.

40401003143 is a deficient number, since it is larger than the sum of its proper divisors (1).

40401003143 is an equidigital number, since it uses as much as digits as its factorization.

40401003143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40401003143 its reverse (34130010404), we get a palindrome (74531013547).

The spelling of 40401003143 in words is "forty billion, four hundred one million, three thousand, one hundred forty-three".