3126280000 has 70 divisors (see below), whose sum is σ = 7752257546. Its totient is φ = 1250496000.

The previous prime is 3126279983. The next prime is 3126280009. The reversal of 3126280000 is 826213.

It can be written as a sum of positive squares in 5 ways, for example, as 2287134976 + 839145024 = 47824^2 + 28968^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126280009) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 922 + ... + 79078.

Almost surely, 2^3126280000 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 3126280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3876128773).

3126280000 is an abundant number, since it is smaller than the sum of its proper divisors (4625977546).

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

3126280000 is an frugal number, since it uses more digits than its factorization.

3126280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78189 (or 78164 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3126280000 is about 55913.1469334360. The cubic root of 3126280000 is about 1462.2084548031.

The spelling of 3126280000 in words is "three billion, one hundred twenty-six million, two hundred eighty thousand".