40312054533437 has 2 divisors, whose sum is σ = 40312054533438. Its totient is φ = 40312054533436.

The previous prime is 40312054533403. The next prime is 40312054533479. The reversal of 40312054533437 is 73433545021304.

It is a happy number.

40312054533437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32691247075876 + 7620807457561 = 5717626^2 + 2760581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40312054533437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40312054532437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20156027266718 + 20156027266719.

It is an arithmetic number, because the mean of its divisors is an integer number (20156027266719).

Almost surely, 2^{40312054533437} is an apocalyptic number.

It is an amenable number.

40312054533437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40312054533437 is an equidigital number, since it uses as much as digits as its factorization.

40312054533437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 40312054533437 in words is "forty trillion, three hundred twelve billion, fifty-four million, five hundred thirty-three thousand, four hundred thirty-seven".