8256040273 has 8 divisors (see below), whose sum is σ = 8979152616. Its totient is φ = 7545504000.

The previous prime is 8256040267. The next prime is 8256040277. The reversal of 8256040273 is 3720406528.

It can be written as a sum of positive squares in 4 ways, for example, as 1332469009 + 6923571264 = 36503^2 + 83208^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8256040273 - 2⁹ = 8256039761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8256040277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3142648 + ... + 3145273.

It is an arithmetic number, because the mean of its divisors is an integer number (1122394077).

Almost surely, 2^8256040273 is an apocalyptic number.

It is an amenable number.

8256040273 is a deficient number, since it is larger than the sum of its proper divisors (723112343).

8256040273 is a wasteful number, since it uses less digits than its factorization.

8256040273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6288035.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 8256040273 is about 90862.7551475301. The cubic root of 8256040273 is about 2021.1130252214.

The spelling of 8256040273 in words is "eight billion, two hundred fifty-six million, forty thousand, two hundred seventy-three".