40052534537 has 2 divisors, whose sum is σ = 40052534538. Its totient is φ = 40052534536.

The previous prime is 40052534479. The next prime is 40052534563. The reversal of 40052534537 is 73543525004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37600700281 + 2451834256 = 193909^2 + 49516^2 .

It is a cyclic number.

It is not a de Polignac number, because 40052534537 - 2¹⁴ = 40052518153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40052534537.

It is not a weakly prime, because it can be changed into another prime (40052534597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026267268 + 20026267269.

It is an arithmetic number, because the mean of its divisors is an integer number (20026267269).

Almost surely, 2^40052534537 is an apocalyptic number.

It is an amenable number.

40052534537 is a deficient number, since it is larger than the sum of its proper divisors (1).

40052534537 is an equidigital number, since it uses as much as digits as its factorization.

40052534537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 38.

The spelling of 40052534537 in words is "forty billion, fifty-two million, five hundred thirty-four thousand, five hundred thirty-seven".