126858470256 has 120 divisors (see below), whose sum is σ = 405919448064. Its totient is φ = 36229760640.

The previous prime is 126858470243. The next prime is 126858470317. The reversal of 126858470256 is 652074858621.

126858470256 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 584 + 7 + 0 + 2 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2440861 + ... + 2492291.

Almost surely, 2^126858470256 is an apocalyptic number.

126858470256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126858470256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202959724032).

126858470256 is an abundant number, since it is smaller than the sum of its proper divisors (279060977808).

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

126858470256 is a wasteful number, since it uses less digits than its factorization.

126858470256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53899 (or 53890 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 126858470256 in words is "one hundred twenty-six billion, eight hundred fifty-eight million, four hundred seventy thousand, two hundred fifty-six".