626600000000 has 360 divisors, whose sum is σ = 1692344836644. Its totient is φ = 230400000000.

The previous prime is 626599999999. The next prime is 626600000009. The reversal of 626600000000 is 6626.

It can be written as a sum of positive squares in 18 ways, for example, as 408638005504 + 217961994496 = 639248^2 + 466864^2 .

It is a sliding number, since 626600000000 = 1600000000 + 625000000000 and 1/1600000000 + 1/625000000000 = 0.000000000626600000000.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (626600000009) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2599999880 + ... + 2600000120.

Almost surely, 2^626600000000 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 626600000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846172418322).

626600000000 is an abundant number, since it is smaller than the sum of its proper divisors (1065744836644).

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

626600000000 is an frugal number, since it uses more digits than its factorization.

626600000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 626600000000 its reverse (6626), we get a palindrome (626600006626).

The spelling of 626600000000 in words is "six hundred twenty-six billion, six hundred million", and thus it is an aban number.