40044150245273 has 2 divisors, whose sum is σ = 40044150245274. Its totient is φ = 40044150245272.

The previous prime is 40044150245221. The next prime is 40044150245339. The reversal of 40044150245273 is 37254205144004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30561525949504 + 9482624295769 = 5528248^2 + 3079387^2 .

It is a cyclic number.

It is not a de Polignac number, because 40044150245273 - 2³⁸ = 39769272338329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40044150245273.

It is not a weakly prime, because it can be changed into another prime (40047150245273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022075122636 + 20022075122637.

It is an arithmetic number, because the mean of its divisors is an integer number (20022075122637).

Almost surely, 2^{40044150245273} is an apocalyptic number.

It is an amenable number.

40044150245273 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044150245273 is an equidigital number, since it uses as much as digits as its factorization.

40044150245273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 41.

Adding to 40044150245273 its reverse (37254205144004), we get a palindrome (77298355389277).

The spelling of 40044150245273 in words is "forty trillion, forty-four billion, one hundred fifty million, two hundred forty-five thousand, two hundred seventy-three".