3440410143661 has 16 divisors (see below), whose sum is σ = 3553639873200. Its totient is φ = 3329161026048.

The previous prime is 3440410143637. The next prime is 3440410143679. The reversal of 3440410143661 is 1663410140443.

It can be written as a sum of positive squares in 8 ways, for example, as 21353976900 + 3419056166761 = 146130^2 + 1849069^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440410143661 - 2⁴¹ = 1241386888109 is a prime.

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 3440410143661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440410143601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954055 + ... + 2791243.

It is an arithmetic number, because the mean of its divisors is an integer number (222102492075).

Almost surely, 2^{3440410143661} is an apocalyptic number.

It is an amenable number.

3440410143661 is a deficient number, since it is larger than the sum of its proper divisors (113229729539).

3440410143661 is a wasteful number, since it uses less digits than its factorization.

3440410143661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837728.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 3440410143661 in words is "three trillion, four hundred forty billion, four hundred ten million, one hundred forty-three thousand, six hundred sixty-one".