2126300040 has 96 divisors (see below), whose sum is σ = 6965038080. Its totient is φ = 562536576.

The previous prime is 2126300027. The next prime is 2126300081. The reversal of 2126300040 is 400036212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2126299986 and 2126300022.

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, 22467 + ... + 68973.

It is an arithmetic number, because the mean of its divisors is an integer number (72552480).

Almost surely, 2^2126300040 is an apocalyptic number.

2126300040 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 2126300040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3482519040).

2126300040 is an abundant number, since it is smaller than the sum of its proper divisors (4838738040).

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

2126300040 is a wasteful number, since it uses less digits than its factorization.

2126300040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46651 (or 46644 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2126300040 is about 46111.8210440663. The cubic root of 2126300040 is about 1285.9029198363.

Adding to 2126300040 its reverse (400036212), we get a palindrome (2526336252).

The spelling of 2126300040 in words is "two billion, one hundred twenty-six million, three hundred thousand, forty".