7256269280 has 48 divisors (see below), whose sum is σ = 18461628864. Its totient is φ = 2679237120.

The previous prime is 7256269247. The next prime is 7256269283. The reversal of 7256269280 is 829626527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7256269283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742216 + ... + 1746375.

It is an arithmetic number, because the mean of its divisors is an integer number (384617268).

Almost surely, 2^7256269280 is an apocalyptic number.

It is an amenable number.

7256269280 is an abundant number, since it is smaller than the sum of its proper divisors (11205359584).

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

7256269280 is a wasteful number, since it uses less digits than its factorization.

7256269280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488619 (or 3488611 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 7256269280 is about 85183.7383542188. The cubic root of 7256269280 is about 1935.9960356680.

The spelling of 7256269280 in words is "seven billion, two hundred fifty-six million, two hundred sixty-nine thousand, two hundred eighty".