4255725280128 has 256 divisors, whose sum is σ = 13702271869440. Its totient is φ = 1142459596800.

The previous prime is 4255725280123. The next prime is 4255725280187. The reversal of 4255725280128 is 8210825275524.

It is a super-2 number, since 2×4255725280128² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255725280123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27019203 + ... + 27176253.

It is an arithmetic number, because the mean of its divisors is an integer number (53524499490).

Almost surely, 2^{4255725280128} is an apocalyptic number.

4255725280128 is a gapful number since it is divisible by the number (48) 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 4255725280128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6851135934720).

4255725280128 is an abundant number, since it is smaller than the sum of its proper divisors (9446546589312).

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

4255725280128 is a wasteful number, since it uses less digits than its factorization.

4255725280128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157685 (or 157673 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 51.

The spelling of 4255725280128 in words is "four trillion, two hundred fifty-five billion, seven hundred twenty-five million, two hundred eighty thousand, one hundred twenty-eight".