622040733728 has 18 divisors (see below), whose sum is σ = 1224651478239. Its totient is φ = 311018136096.

The previous prime is 622040733667. The next prime is 622040733757. The reversal of 622040733728 is 827337040226.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 311020366864 + 311020366864 = 557692^2 + 557692^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=557692.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4391825 + ... + 4531247.

Almost surely, 2^622040733728 is an apocalyptic number.

It is an amenable number.

622040733728 is a deficient number, since it is larger than the sum of its proper divisors (602610744511).

622040733728 is an frugal number, since it uses more digits than its factorization.

622040733728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278856 (or 139425 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 622040733728 in words is "six hundred twenty-two billion, forty million, seven hundred thirty-three thousand, seven hundred twenty-eight".