6256540086 has 32 divisors (see below), whose sum is σ = 13410033408. Its totient is φ = 1940922720.

The previous prime is 6256540057. The next prime is 6256540163. The reversal of 6256540086 is 6800456526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607560 + ... + 617771.

It is an arithmetic number, because the mean of its divisors is an integer number (419063544).

Almost surely, 2^6256540086 is an apocalyptic number.

6256540086 is an abundant number, since it is smaller than the sum of its proper divisors (7153493322).

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

6256540086 is a wasteful number, since it uses less digits than its factorization.

6256540086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225396.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 6256540086 is about 79098.2938248354. The cubic root of 6256540086 is about 1842.6580288843.

The spelling of 6256540086 in words is "six billion, two hundred fifty-six million, five hundred forty thousand, eighty-six".