2401040209 has 2 divisors, whose sum is σ = 2401040210. Its totient is φ = 2401040208.

The previous prime is 2401040183. The next prime is 2401040221. The reversal of 2401040209 is 9020401042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2263095184 + 137945025 = 47572^2 + 11745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401040209 - 2¹¹ = 2401038161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2401040209.

It is not a weakly prime, because it can be changed into another prime (2401040009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200520104 + 1200520105.

It is an arithmetic number, because the mean of its divisors is an integer number (1200520105).

Almost surely, 2^2401040209 is an apocalyptic number.

It is an amenable number.

2401040209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401040209 is an equidigital number, since it uses as much as digits as its factorization.

2401040209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2401040209 is about 49000.4102942006. The cubic root of 2401040209 is about 1339.0593028309.

The spelling of 2401040209 in words is "two billion, four hundred one million, forty thousand, two hundred nine".