2126626720 has 48 divisors (see below), whose sum is σ = 5053262760. Its totient is φ = 845722624.

The previous prime is 2126626709. The next prime is 2126626721. The reversal of 2126626720 is 276266212.

It can be written as a sum of positive squares in 4 ways, for example, as 2089221264 + 37405456 = 45708^2 + 6116^2 .

It is not an unprimeable number, because it can be changed into a prime (2126626721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10735 + ... + 66094.

Almost surely, 2^2126626720 is an apocalyptic number.

2126626720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126626720 is an abundant number, since it is smaller than the sum of its proper divisors (2926636040).

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

2126626720 is a wasteful number, since it uses less digits than its factorization.

2126626720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77017 (or 77009 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2126626720 is about 46115.3631667365. The cubic root of 2126626720 is about 1285.9687708838.

The spelling of 2126626720 in words is "two billion, one hundred twenty-six million, six hundred twenty-six thousand, seven hundred twenty".