2440258686 has 48 divisors (see below), whose sum is σ = 5419340784. Its totient is φ = 793158912.

The previous prime is 2440258649. The next prime is 2440258687. The reversal of 2440258686 is 6868520442.

2440258686 is a `hidden beast` number, since 24 + 40 + 2 + 586 + 8 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440258687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521670 + ... + 526326.

It is an arithmetic number, because the mean of its divisors is an integer number (112902933).

Almost surely, 2^2440258686 is an apocalyptic number.

2440258686 is an abundant number, since it is smaller than the sum of its proper divisors (2979082098).

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

2440258686 is a wasteful number, since it uses less digits than its factorization.

2440258686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385 (or 5382 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The square root of 2440258686 is about 49398.9745440126. The cubic root of 2440258686 is about 1346.3106741948.

The spelling of 2440258686 in words is "two billion, four hundred forty million, two hundred fifty-eight thousand, six hundred eighty-six".