2780525000 has 96 divisors (see below), whose sum is σ = 7109544960. Its totient is φ = 1011000000.

The previous prime is 2780524973. The next prime is 2780525047. The reversal of 2780525000 is 5250872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269945 + ... + 280055.

It is an arithmetic number, because the mean of its divisors is an integer number (74057760).

Almost surely, 2^2780525000 is an apocalyptic number.

2780525000 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 2780525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554772480).

2780525000 is an abundant number, since it is smaller than the sum of its proper divisors (4329019960).

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

2780525000 is a wasteful number, since it uses less digits than its factorization.

2780525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10153 (or 10129 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2780525000 is about 52730.6836671022. The cubic root of 2780525000 is about 1406.1843755384.

Adding to 2780525000 its reverse (5250872), we get a palindrome (2785775872).

The spelling of 2780525000 in words is "two billion, seven hundred eighty million, five hundred twenty-five thousand".