2686040225 has 12 divisors (see below), whose sum is σ = 3633480240. Its totient is φ = 1953483600.

The previous prime is 2686040219. The next prime is 2686040281. The reversal of 2686040225 is 5220406862.

It is not a de Polignac number, because 2686040225 - 2⁸ = 2686039969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4883435 + ... + 4883984.

It is an arithmetic number, because the mean of its divisors is an integer number (302790020).

Almost surely, 2^2686040225 is an apocalyptic number.

2686040225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2686040225 is a deficient number, since it is larger than the sum of its proper divisors (947440015).

2686040225 is a wasteful number, since it uses less digits than its factorization.

2686040225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9767440 (or 9767435 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2686040225 is about 51827.0221506117. The cubic root of 2686040225 is about 1390.0726675603.

The spelling of 2686040225 in words is "two billion, six hundred eighty-six million, forty thousand, two hundred twenty-five".