2042767012566 has 128 divisors (see below), whose sum is σ = 4846958217216. Its totient is φ = 561941452800.

The previous prime is 2042767012543. The next prime is 2042767012597. The reversal of 2042767012566 is 6652107672402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25365135 + ... + 25445541.

It is an arithmetic number, because the mean of its divisors is an integer number (37866861072).

Almost surely, 2^{2042767012566} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042767012566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423479108608).

2042767012566 is an abundant number, since it is smaller than the sum of its proper divisors (2804191204650).

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

2042767012566 is a wasteful number, since it uses less digits than its factorization.

2042767012566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80686.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 2042767012566 in words is "two trillion, forty-two billion, seven hundred sixty-seven million, twelve thousand, five hundred sixty-six".