42776550976 has 14 divisors (see below), whose sum is σ = 84884718470. Its totient is φ = 21388275456.

The previous prime is 42776550937. The next prime is 42776550977. The reversal of 42776550976 is 67905567724.

It can be written as a sum of positive squares in only one way, i.e., 42426112576 + 350438400 = 205976^2 + 18720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42776550976.

It is not an unprimeable number, because it can be changed into a prime (42776550977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334191741 + ... + 334191868.

Almost surely, 2^42776550976 is an apocalyptic number.

It is an amenable number.

42776550976 is a deficient number, since it is larger than the sum of its proper divisors (42108167494).

42776550976 is an equidigital number, since it uses as much as digits as its factorization.

42776550976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668383621 (or 668383611 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 42776550976 in words is "forty-two billion, seven hundred seventy-six million, five hundred fifty thousand, nine hundred seventy-six".