2790270828 has 96 divisors (see below), whose sum is σ = 7349771520. Its totient is φ = 926739792.

The previous prime is 2790270827. The next prime is 2790270839. The reversal of 2790270828 is 8280720972.

It is a happy number.

It is a super-2 number, since 2×2790270828² = 15571222587175611168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2790270827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4084975 + ... + 4085657.

It is an arithmetic number, because the mean of its divisors is an integer number (76560120).

Almost surely, 2^2790270828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2790270828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674885760).

2790270828 is an abundant number, since it is smaller than the sum of its proper divisors (4559500692).

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

2790270828 is an equidigital number, since it uses as much as digits as its factorization.

2790270828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 2790270828 is about 52823.0141888931. The cubic root of 2790270828 is about 1407.8253666795.

The spelling of 2790270828 in words is "two billion, seven hundred ninety million, two hundred seventy thousand, eight hundred twenty-eight".