6256938064 has 40 divisors (see below), whose sum is σ = 13064163840. Its totient is φ = 2885866368.

The previous prime is 6256938059. The next prime is 6256938067. The reversal of 6256938064 is 4608396526.

It is a junction number, because it is equal to n+sod(n) for n = 6256937999 and 6256938017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256938067) 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, 324897 + ... + 343615.

It is an arithmetic number, because the mean of its divisors is an integer number (326604096).

Almost surely, 2^6256938064 is an apocalyptic number.

It is an amenable number.

6256938064 is an abundant number, since it is smaller than the sum of its proper divisors (6807225776).

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

6256938064 is a wasteful number, since it uses less digits than its factorization.

6256938064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347 (or 20341 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 6256938064 is about 79100.8095028110. The cubic root of 6256938064 is about 1842.6970984977.

The spelling of 6256938064 in words is "six billion, two hundred fifty-six million, nine hundred thirty-eight thousand, sixty-four".