40469771241 has 9 divisors (see below), whose sum is σ = 58457207991. Its totient is φ = 26979445152.

The previous prime is 40469771197. The next prime is 40469771249. The reversal of 40469771241 is 14217796404.

The square root of 40469771241 is 201171.

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

It can be written as a sum of positive squares in only one way, i.e., 36881282025 + 3588489216 = 192045^2 + 59904^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-40469771241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40469771249) 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, 569985 + ... + 637041.

Almost surely, 2^40469771241 is an apocalyptic number.

40469771241 is the 201171-st square number.

40469771241 is the 100586-th centered octagonal number.

It is an amenable number.

40469771241 is a deficient number, since it is larger than the sum of its proper divisors (17987436750).

40469771241 is an frugal number, since it uses more digits than its factorization.

40469771241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134120 (or 67060 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 40469771241 in words is "forty billion, four hundred sixty-nine million, seven hundred seventy-one thousand, two hundred forty-one".