40665014281 has 4 divisors (see below), whose sum is σ = 40665460500. Its totient is φ = 40664568064.

The previous prime is 40665014267. The next prime is 40665014293. The reversal of 40665014281 is 18241056604.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35762213881 + 4902800400 = 189109^2 + 70020^2 .

It is a cyclic number.

It is not a de Polignac number, because 40665014281 - 2⁵ = 40665014249 is a prime.

It is a super-2 number, since 2×40665014281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40665014281.

It is not an unprimeable number, because it can be changed into a prime (40665014261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31636 + ... + 286933.

It is an arithmetic number, because the mean of its divisors is an integer number (10166365125).

Almost surely, 2^40665014281 is an apocalyptic number.

It is an amenable number.

40665014281 is a deficient number, since it is larger than the sum of its proper divisors (446219).

40665014281 is a wasteful number, since it uses less digits than its factorization.

40665014281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446218.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 40665014281 in words is "forty billion, six hundred sixty-five million, fourteen thousand, two hundred eighty-one".