2797540280 has 32 divisors (see below), whose sum is σ = 6296184000. Its totient is φ = 1118710656.

The previous prime is 2797540253. The next prime is 2797540313. The reversal of 2797540280 is 820457972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190646 + ... + 204794.

It is an arithmetic number, because the mean of its divisors is an integer number (196755750).

Almost surely, 2^2797540280 is an apocalyptic number.

2797540280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2797540280 is an abundant number, since it is smaller than the sum of its proper divisors (3498643720).

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

2797540280 is a wasteful number, since it uses less digits than its factorization.

2797540280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19103 (or 19099 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2797540280 is about 52891.7789453144. The cubic root of 2797540280 is about 1409.0469021264.

The spelling of 2797540280 in words is "two billion, seven hundred ninety-seven million, five hundred forty thousand, two hundred eighty".