1868904580104 has 128 divisors (see below), whose sum is σ = 5319932515200. Its totient is φ = 607680403200.

The previous prime is 1868904580063. The next prime is 1868904580117. The reversal of 1868904580104 is 4010854098681.

It is a happy number.

1868904580104 is a `hidden beast` number, since 1 + 8 + 6 + 89 + 0 + 458 + 0 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1508679 + ... + 2452329.

It is an arithmetic number, because the mean of its divisors is an integer number (41561972775).

Almost surely, 2^{1868904580104} 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 1868904580104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2659966257600).

1868904580104 is an abundant number, since it is smaller than the sum of its proper divisors (3451027935096).

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

1868904580104 is a wasteful number, since it uses less digits than its factorization.

1868904580104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943892 (or 943882 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 1868904580104 in words is "one trillion, eight hundred sixty-eight billion, nine hundred four million, five hundred eighty thousand, one hundred four".