40274543629 has 2 divisors, whose sum is σ = 40274543630. Its totient is φ = 40274543628.

The previous prime is 40274543591. The next prime is 40274543633. The reversal of 40274543629 is 92634547204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22257656100 + 18016887529 = 149190^2 + 134227^2 .

It is a cyclic number.

It is not a de Polignac number, because 40274543629 - 2⁹ = 40274543117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40274543669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20137271814 + 20137271815.

It is an arithmetic number, because the mean of its divisors is an integer number (20137271815).

Almost surely, 2^40274543629 is an apocalyptic number.

It is an amenable number.

40274543629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40274543629 is an equidigital number, since it uses as much as digits as its factorization.

40274543629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 40274543629 in words is "forty billion, two hundred seventy-four million, five hundred forty-three thousand, six hundred twenty-nine".