2773628520 has 128 divisors (see below), whose sum is σ = 9108167040. Its totient is φ = 671523840.

The previous prime is 2773628491. The next prime is 2773628587. The reversal of 2773628520 is 258263772.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80587 + ... + 109733.

It is an arithmetic number, because the mean of its divisors is an integer number (71157555).

Almost surely, 2^2773628520 is an apocalyptic number.

2773628520 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 2773628520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4554083520).

2773628520 is an abundant number, since it is smaller than the sum of its proper divisors (6334538520).

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

2773628520 is a wasteful number, since it uses less digits than its factorization.

2773628520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29235 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 2773628520 is about 52665.2496433844. The cubic root of 2773628520 is about 1405.0208361377.

The spelling of 2773628520 in words is "two billion, seven hundred seventy-three million, six hundred twenty-eight thousand, five hundred twenty".