40412658841 has 9 divisors (see below), whose sum is σ = 41200410909. Its totient is φ = 39639702336.

The previous prime is 40412658827. The next prime is 40412658857. The reversal of 40412658841 is 14885621404.

The square root of 40412658841 is 201029.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 548543241 + 39864115600 = 23421^2 + 199660^2 .

It is not a de Polignac number, because 40412658841 - 2¹¹ = 40412656793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40412658241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10652641 + ... + 10656433.

Almost surely, 2^40412658841 is an apocalyptic number.

40412658841 is the 201029-th square number.

40412658841 is the 100515-th centered octagonal number.

It is an amenable number.

40412658841 is a deficient number, since it is larger than the sum of its proper divisors (787752068).

40412658841 is an frugal number, since it uses more digits than its factorization.

40412658841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692 (or 3846 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 40412658841 in words is "forty billion, four hundred twelve million, six hundred fifty-eight thousand, eight hundred forty-one".