6256560040 has 16 divisors (see below), whose sum is σ = 14077260180. Its totient is φ = 2502624000.

The previous prime is 6256560007. The next prime is 6256560083. The reversal of 6256560040 is 400656526.

It can be written as a sum of positive squares in 2 ways, for example, as 5827490244 + 429069796 = 76338^2 + 20714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6256559978 and 6256560005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78206961 + ... + 78207040.

Almost surely, 2^6256560040 is an apocalyptic number.

It is an amenable number.

6256560040 is an abundant number, since it is smaller than the sum of its proper divisors (7820700140).

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

6256560040 is a wasteful number, since it uses less digits than its factorization.

6256560040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156414012 (or 156414008 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 6256560040 is about 79098.4199589347. The cubic root of 6256560040 is about 1842.6599878136.

The spelling of 6256560040 in words is "six billion, two hundred fifty-six million, five hundred sixty thousand, forty".