128465305848 has 96 divisors (see below), whose sum is σ = 384361286400. Its totient is φ = 38436091200.

The previous prime is 128465305811. The next prime is 128465305919. The reversal of 128465305848 is 848503564821.

128465305848 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 6 + 53 + 0 + 584 + 8 = 666.

It is a super-3 number, since 3×128465305848³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128465305794 and 128465305803.

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, 964038 + ... + 1089173.

It is an arithmetic number, because the mean of its divisors is an integer number (4003763400).

Almost surely, 2^128465305848 is an apocalyptic number.

128465305848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

128465305848 is an abundant number, since it is smaller than the sum of its proper divisors (255895980552).

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

128465305848 is a wasteful number, since it uses less digits than its factorization.

128465305848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053313 (or 2053306 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 128465305848 in words is "one hundred twenty-eight billion, four hundred sixty-five million, three hundred five thousand, eight hundred forty-eight".