7286648256 has 168 divisors, whose sum is σ = 22320595440. Its totient is φ = 2264702976.

The previous prime is 7286648251. The next prime is 7286648263. The reversal of 7286648256 is 6528466827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7286648251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1063915 + ... + 1070741.

Almost surely, 2^7286648256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7286648256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11160297720).

7286648256 is an abundant number, since it is smaller than the sum of its proper divisors (15033947184).

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

7286648256 is a wasteful number, since it uses less digits than its factorization.

7286648256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971 (or 6958 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 7286648256 is about 85361.8665212986. The cubic root of 7286648256 is about 1938.6940103077.

The spelling of 7286648256 in words is "seven billion, two hundred eighty-six million, six hundred forty-eight thousand, two hundred fifty-six".