40282268365281 has 16 divisors (see below), whose sum is σ = 53849447200640. Its totient is φ = 26784996416640.

The previous prime is 40282268365279. The next prime is 40282268365291. The reversal of 40282268365281 is 18256386228204.

It is a happy number.

40282268365281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40282268365281 - 2¹ = 40282268365279 is a prime.

It is a super-2 number, since 2×40282268365281² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40282268365271) 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 in 15 ways as a sum of consecutive naturals, for example, 1980765 + ... + 9191733.

It is an arithmetic number, because the mean of its divisors is an integer number (3365590450040).

Almost surely, 2^{40282268365281} is an apocalyptic number.

It is an amenable number.

40282268365281 is a deficient number, since it is larger than the sum of its proper divisors (13567178835359).

40282268365281 is a wasteful number, since it uses less digits than its factorization.

40282268365281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215816.

The product of its (nonzero) digits is 17694720, while the sum is 57.

The spelling of 40282268365281 in words is "forty trillion, two hundred eighty-two billion, two hundred sixty-eight million, three hundred sixty-five thousand, two hundred eighty-one".