128620425752 has 384 divisors, whose sum is σ = 328872960000. Its totient is φ = 46979412480.

The previous prime is 128620425733. The next prime is 128620425757. The reversal of 128620425752 is 257524026821.

It is a super-3 number, since 3×128620425752³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128620425757) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 330643574 + ... + 330643962.

It is an arithmetic number, because the mean of its divisors is an integer number (856440000).

Almost surely, 2^128620425752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128620425752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164436480000).

128620425752 is an abundant number, since it is smaller than the sum of its proper divisors (200252534248).

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

128620425752 is a wasteful number, since it uses less digits than its factorization.

128620425752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 128620425752 in words is "one hundred twenty-eight billion, six hundred twenty million, four hundred twenty-five thousand, seven hundred fifty-two".