7006256240 has 40 divisors (see below), whose sum is σ = 17247757680. Its totient is φ = 2637648896.

The previous prime is 7006256239. The next prime is 7006256267. The reversal of 7006256240 is 426526007.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 7006256197 and 7006256206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2574470 + ... + 2577189.

It is an arithmetic number, because the mean of its divisors is an integer number (431193942).

Almost surely, 2^7006256240 is an apocalyptic number.

It is an amenable number.

7006256240 is an abundant number, since it is smaller than the sum of its proper divisors (10241501440).

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

7006256240 is a wasteful number, since it uses less digits than its factorization.

7006256240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151689 (or 5151683 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 7006256240 is about 83703.3824884037. The cubic root of 7006256240 is about 1913.5009062469.

The spelling of 7006256240 in words is "seven billion, six million, two hundred fifty-six thousand, two hundred forty".