42256752766 has 16 divisors (see below), whose sum is σ = 64977304464. Its totient is φ = 20602543104.

The previous prime is 42256752721. The next prime is 42256752793. The reversal of 42256752766 is 66725765224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205571 + ... + 1240126.

It is an arithmetic number, because the mean of its divisors is an integer number (4061081529).

Almost surely, 2^42256752766 is an apocalyptic number.

42256752766 is a deficient number, since it is larger than the sum of its proper divisors (22720551698).

42256752766 is a wasteful number, since it uses less digits than its factorization.

42256752766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445915.

The product of its digits is 8467200, while the sum is 52.

The spelling of 42256752766 in words is "forty-two billion, two hundred fifty-six million, seven hundred fifty-two thousand, seven hundred sixty-six".