104128642308780 has 72 divisors (see below), whose sum is σ = 316107761533200. Its totient is φ = 27745582576512.

The previous prime is 104128642308749. The next prime is 104128642308787. The reversal of 104128642308780 is 87803246821401.

104128642308780 is a `hidden beast` number, since 1 + 0 + 41 + 28 + 6 + 423 + 0 + 87 + 80 = 666.

It is not an unprimeable number, because it can be changed into a prime (104128642308787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229516215 + ... + 229969454.

It is an arithmetic number, because the mean of its divisors is an integer number (4390385576850).

Almost surely, 2^{104128642308780} is an apocalyptic number.

104128642308780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104128642308780 is an abundant number, since it is smaller than the sum of its proper divisors (211979119224420).

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

104128642308780 is a wasteful number, since it uses less digits than its factorization.

104128642308780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459486943 (or 459486938 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 104128642308780 in words is "one hundred four trillion, one hundred twenty-eight billion, six hundred forty-two million, three hundred eight thousand, seven hundred eighty".