940299110504209 has 7 divisors (see below), whose sum is σ = 943312889704543. Its totient is φ = 937294959991416.

The previous prime is 940299110504197. The next prime is 940299110504297. The reversal of 940299110504209 is 902405011992049.

It is a happy number.

The square root of 940299110504209 is 30664297.

The cubic root of 940299110504209 is 97969.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 53073774780625 + 887225335723584 = 7285175^2 + 29786328^2 .

It is not a de Polignac number, because 940299110504209 - 2⁴³ = 931503017482001 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 940299110504209.

It is not an unprimeable number, because it can be changed into a prime (940299110508209) by changing a digit.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 3004150512637 + ... + 3004150512949.

Almost surely, 2^{940299110504209} is an apocalyptic number.

940299110504209 is the 30664297-th square number.

940299110504209 is the 15332149-th centered octagonal number.

It is an amenable number.

940299110504209 is a deficient number, since it is larger than the sum of its proper divisors (3013779200334).

940299110504209 is an frugal number, since it uses more digits than its factorization.

940299110504209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 940299110504209 in words is "nine hundred forty trillion, two hundred ninety-nine billion, one hundred ten million, five hundred four thousand, two hundred nine".