1040459282381 has 4 divisors (see below), whose sum is σ = 1076337188700. Its totient is φ = 1004581376064.

The previous prime is 1040459282297. The next prime is 1040459282431. The reversal of 1040459282381 is 1832829540401.

1040459282381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 191590044100 + 848869238281 = 437710^2 + 921341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040459282381 - 2³⁸ = 765581375437 is a prime.

It is a super-2 number, since 2×1040459282381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040459212381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17938953116 + ... + 17938953173.

It is an arithmetic number, because the mean of its divisors is an integer number (269084297175).

Almost surely, 2^{1040459282381} is an apocalyptic number.

It is an amenable number.

1040459282381 is a deficient number, since it is larger than the sum of its proper divisors (35877906319).

1040459282381 is an equidigital number, since it uses as much as digits as its factorization.

1040459282381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35877906318.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 1040459282381 in words is "one trillion, forty billion, four hundred fifty-nine million, two hundred eighty-two thousand, three hundred eighty-one".