4256908128 has 96 divisors (see below), whose sum is σ = 13544737920. Its totient is φ = 1289969280.

The previous prime is 4256908099. The next prime is 4256908133. The reversal of 4256908128 is 8218096524.

4256908128 is a `hidden beast` number, since 4 + 2 + 569 + 0 + 81 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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, 214450 + ... + 233457.

It is an arithmetic number, because the mean of its divisors is an integer number (141091020).

Almost surely, 2^4256908128 is an apocalyptic number.

4256908128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4256908128 is an abundant number, since it is smaller than the sum of its proper divisors (9287829792).

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

4256908128 is a wasteful number, since it uses less digits than its factorization.

4256908128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447937 (or 447923 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 4256908128 is about 65244.9854624859. The cubic root of 4256908128 is about 1620.6830590043.

The spelling of 4256908128 in words is "four billion, two hundred fifty-six million, nine hundred eight thousand, one hundred twenty-eight".