2042872861860 has 72 divisors (see below), whose sum is σ = 6199796855616. Its totient is φ = 544495106880.

The previous prime is 2042872861831. The next prime is 2042872861873. The reversal of 2042872861860 is 681682782402.

2042872861860 is a `hidden beast` number, since 2 + 0 + 4 + 287 + 286 + 1 + 86 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2042872861797 and 2042872861806.

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, 2459824 + ... + 3183783.

Almost surely, 2^{2042872861860} is an apocalyptic number.

2042872861860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042872861860 is an abundant number, since it is smaller than the sum of its proper divisors (4156923993756).

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

2042872861860 is a wasteful number, since it uses less digits than its factorization.

2042872861860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645633 (or 5645628 counting only the distinct ones).

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

The spelling of 2042872861860 in words is "two trillion, forty-two billion, eight hundred seventy-two million, eight hundred sixty-one thousand, eight hundred sixty".