40500343272889 has 2 divisors, whose sum is σ = 40500343272890. Its totient is φ = 40500343272888.

The previous prime is 40500343272881. The next prime is 40500343272959. The reversal of 40500343272889 is 98827234300504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29472683765625 + 11027659507264 = 5428875^2 + 3320792^2 .

It is a cyclic number.

It is not a de Polignac number, because 40500343272889 - 2³ = 40500343272881 is a prime.

It is not a weakly prime, because it can be changed into another prime (40500343272881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250171636444 + 20250171636445.

It is an arithmetic number, because the mean of its divisors is an integer number (20250171636445).

Almost surely, 2^{40500343272889} is an apocalyptic number.

It is an amenable number.

40500343272889 is a deficient number, since it is larger than the sum of its proper divisors (1).

40500343272889 is an equidigital number, since it uses as much as digits as its factorization.

40500343272889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 40500343272889 in words is "forty trillion, five hundred billion, three hundred forty-three million, two hundred seventy-two thousand, eight hundred eighty-nine".