2606040249 has 8 divisors (see below), whose sum is σ = 3499718880. Its totient is φ = 1724860896.

The previous prime is 2606040233. The next prime is 2606040259. The reversal of 2606040249 is 9420406062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2606040249 - 2⁴ = 2606040233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2606040259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124332 + ... + 3125165.

It is an arithmetic number, because the mean of its divisors is an integer number (437464860).

Almost surely, 2^2606040249 is an apocalyptic number.

It is an amenable number.

2606040249 is a deficient number, since it is larger than the sum of its proper divisors (893678631).

2606040249 is a wasteful number, since it uses less digits than its factorization.

2606040249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249639.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2606040249 is about 51049.3902901886. The cubic root of 2606040249 is about 1376.1328843477.

The spelling of 2606040249 in words is "two billion, six hundred six million, forty thousand, two hundred forty-nine".