1856880560460 has 48 divisors (see below), whose sum is σ = 5202550273536. Its totient is φ = 494855320512.

The previous prime is 1856880560443. The next prime is 1856880560519. The reversal of 1856880560460 is 640650886581.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1856880560460.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9680134 + ... + 9870093.

It is an arithmetic number, because the mean of its divisors is an integer number (108386464032).

Almost surely, 2^{1856880560460} is an apocalyptic number.

1856880560460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1856880560460 is an abundant number, since it is smaller than the sum of its proper divisors (3345669713076).

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

1856880560460 is a wasteful number, since it uses less digits than its factorization.

1856880560460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551822 (or 19551820 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 1856880560460 in words is "one trillion, eight hundred fifty-six billion, eight hundred eighty million, five hundred sixty thousand, four hundred sixty".