2409256242 has 12 divisors (see below), whose sum is σ = 5220055230. Its totient is φ = 803085408.

The previous prime is 2409256231. The next prime is 2409256243. The reversal of 2409256242 is 2426529042.

It is a happy number.

2409256242 is a `hidden beast` number, since 2 + 4 + 0 + 9 + 25 + 624 + 2 = 666.

2409256242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2393264241 + 15992001 = 48921^2 + 3999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2409256197 and 2409256206.

It is not an unprimeable number, because it can be changed into a prime (2409256243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66923767 + ... + 66923802.

Almost surely, 2^2409256242 is an apocalyptic number.

2409256242 is an abundant number, since it is smaller than the sum of its proper divisors (2810798988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2409256242 is a wasteful number, since it uses less digits than its factorization.

2409256242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133847577 (or 133847574 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2409256242 is about 49084.1750669195. The cubic root of 2409256242 is about 1340.5849235937.

The spelling of 2409256242 in words is "two billion, four hundred nine million, two hundred fifty-six thousand, two hundred forty-two".