626646050622340 has 36 divisors (see below), whose sum is σ = 1530806780808396. Its totient is φ = 214850074498752.

The previous prime is 626646050622301. The next prime is 626646050622341. The reversal of 626646050622340 is 43226050646626.

It can be written as a sum of positive squares in 2 ways, for example, as 168640767102976 + 458005283519364 = 12986176^2 + 21401058^2 .

It is not an unprimeable number, because it can be changed into a prime (626646050622341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319717371787 + ... + 319717373746.

It is an arithmetic number, because the mean of its divisors is an integer number (42522410578011).

Almost surely, 2^{626646050622340} is an apocalyptic number.

It is an amenable number.

626646050622340 is an abundant number, since it is smaller than the sum of its proper divisors (904160730186056).

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

626646050622340 is a wasteful number, since it uses less digits than its factorization.

626646050622340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639434745556 (or 639434745547 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 626646050622340 in words is "six hundred twenty-six trillion, six hundred forty-six billion, fifty million, six hundred twenty-two thousand, three hundred forty".