128762464660 has 24 divisors (see below), whose sum is σ = 270563844096. Its totient is φ = 51474001440.

The previous prime is 128762464651. The next prime is 128762464661. The reversal of 128762464660 is 66464267821.

128762464660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 128762464598 and 128762464607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128762464661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902436 + ... + 1968955.

It is an arithmetic number, because the mean of its divisors is an integer number (11273493504).

Almost surely, 2^128762464660 is an apocalyptic number.

128762464660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128762464660 is an abundant number, since it is smaller than the sum of its proper divisors (141801379436).

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

128762464660 is a wasteful number, since it uses less digits than its factorization.

128762464660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873063 (or 3873061 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 128762464660 in words is "one hundred twenty-eight billion, seven hundred sixty-two million, four hundred sixty-four thousand, six hundred sixty".