40274543591 has 2 divisors, whose sum is σ = 40274543592. Its totient is φ = 40274543590.

The previous prime is 40274543567. The next prime is 40274543629. The reversal of 40274543591 is 19534547204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40274543591 is a prime.

It is a super-3 number, since 3×40274543591³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40274543291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20137271795 + 20137271796.

It is an arithmetic number, because the mean of its divisors is an integer number (20137271796).

Almost surely, 2^40274543591 is an apocalyptic number.

40274543591 is a deficient number, since it is larger than the sum of its proper divisors (1).

40274543591 is an equidigital number, since it uses as much as digits as its factorization.

40274543591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 40274543591 in words is "forty billion, two hundred seventy-four million, five hundred forty-three thousand, five hundred ninety-one".