2042861100492 has 12 divisors (see below), whose sum is σ = 4766675901176. Its totient is φ = 680953700160.

The previous prime is 2042861100473. The next prime is 2042861100503. The reversal of 2042861100492 is 2940011682402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2042861100492.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85119212509 + ... + 85119212532.

Almost surely, 2^{2042861100492} is an apocalyptic number.

It is an amenable number.

2042861100492 is an abundant number, since it is smaller than the sum of its proper divisors (2723814800684).

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

2042861100492 is a wasteful number, since it uses less digits than its factorization.

2042861100492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170238425048 (or 170238425046 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

Adding to 2042861100492 its reverse (2940011682402), we get a palindrome (4982872782894).

The spelling of 2042861100492 in words is "two trillion, forty-two billion, eight hundred sixty-one million, one hundred thousand, four hundred ninety-two".