2776460020 has 48 divisors (see below), whose sum is σ = 6055575120. Its totient is φ = 1068401664.

The previous prime is 2776459993. The next prime is 2776460051. The reversal of 2776460020 is 200646772.

It can be written as a sum of positive squares in 8 ways, for example, as 85340644 + 2691119376 = 9238^2 + 51876^2 .

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 44782 + ... + 86938.

It is an arithmetic number, because the mean of its divisors is an integer number (126157815).

Almost surely, 2^2776460020 is an apocalyptic number.

2776460020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2776460020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3027787560).

2776460020 is an abundant number, since it is smaller than the sum of its proper divisors (3279115100).

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

2776460020 is a wasteful number, since it uses less digits than its factorization.

2776460020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42292 (or 42290 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2776460020 is about 52692.1248385373. The cubic root of 2776460020 is about 1405.4987856854.

The spelling of 2776460020 in words is "two billion, seven hundred seventy-six million, four hundred sixty thousand, twenty".