40400342430053 has 2 divisors, whose sum is σ = 40400342430054. Its totient is φ = 40400342430052.

The previous prime is 40400342430029. The next prime is 40400342430079. The reversal of 40400342430053 is 35003424300404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28083036231649 + 12317306198404 = 5299343^2 + 3509602^2 .

It is a cyclic number.

It is not a de Polignac number, because 40400342430053 - 2¹⁶ = 40400342364517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40400342430653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200171215026 + 20200171215027.

It is an arithmetic number, because the mean of its divisors is an integer number (20200171215027).

Almost surely, 2^{40400342430053} is an apocalyptic number.

It is an amenable number.

40400342430053 is a deficient number, since it is larger than the sum of its proper divisors (1).

40400342430053 is an equidigital number, since it uses as much as digits as its factorization.

40400342430053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 40400342430053 its reverse (35003424300404), we get a palindrome (75403766730457).

The spelling of 40400342430053 in words is "forty trillion, four hundred billion, three hundred forty-two million, four hundred thirty thousand, fifty-three".