40501443293 has 2 divisors, whose sum is σ = 40501443294. Its totient is φ = 40501443292.

The previous prime is 40501443287. The next prime is 40501443317. The reversal of 40501443293 is 39234410504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39889276729 + 612166564 = 199723^2 + 24742^2 .

It is a cyclic number.

It is not a de Polignac number, because 40501443293 - 2¹⁰ = 40501442269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40501443253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250721646 + 20250721647.

It is an arithmetic number, because the mean of its divisors is an integer number (20250721647).

Almost surely, 2^40501443293 is an apocalyptic number.

It is an amenable number.

40501443293 is a deficient number, since it is larger than the sum of its proper divisors (1).

40501443293 is an equidigital number, since it uses as much as digits as its factorization.

40501443293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 40501443293 its reverse (39234410504), we get a palindrome (79735853797).

The spelling of 40501443293 in words is "forty billion, five hundred one million, four hundred forty-three thousand, two hundred ninety-three".