42776929216 has 56 divisors (see below), whose sum is σ = 98842433760. Its totient is φ = 17987054592.

The previous prime is 42776929199. The next prime is 42776929229. The reversal of 42776929216 is 61292967724.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877051 + ... + 924538.

It is an arithmetic number, because the mean of its divisors is an integer number (1765043460).

Almost surely, 2^42776929216 is an apocalyptic number.

It is an amenable number.

42776929216 is an abundant number, since it is smaller than the sum of its proper divisors (56065504544).

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

42776929216 is a wasteful number, since it uses less digits than its factorization.

42776929216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801661 (or 1801651 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The spelling of 42776929216 in words is "forty-two billion, seven hundred seventy-six million, nine hundred twenty-nine thousand, two hundred sixteen".