2776648242 has 16 divisors (see below), whose sum is σ = 5576342112. Its totient is φ = 921708480.

The previous prime is 2776648177. The next prime is 2776648243. The reversal of 2776648242 is 2428466772.

2776648242 = T₃₈₈ + T₃₈₉ + ... + T₂₅₅₆.

It is a junction number, because it is equal to n+sod(n) for n = 2776648191 and 2776648200.

It is not an unprimeable number, because it can be changed into a prime (2776648243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958668 + ... + 961559.

It is an arithmetic number, because the mean of its divisors is an integer number (348521382).

Almost surely, 2^2776648242 is an apocalyptic number.

2776648242 is an abundant number, since it is smaller than the sum of its proper divisors (2799693870).

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

2776648242 is a wasteful number, since it uses less digits than its factorization.

2776648242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920473.

The product of its digits is 1806336, while the sum is 48.

The square root of 2776648242 is about 52693.9108626414. The cubic root of 2776648242 is about 1405.5305455298.

The spelling of 2776648242 in words is "two billion, seven hundred seventy-six million, six hundred forty-eight thousand, two hundred forty-two".