622006026440 has 32 divisors (see below), whose sum is σ = 1460361977280. Its totient is φ = 237984914112.

The previous prime is 622006026353. The next prime is 622006026449. The reversal of 622006026440 is 44620600226.

It is a junction number, because it is equal to n+sod(n) for n = 622006026397 and 622006026406.

It is not an unprimeable number, because it can be changed into a prime (622006026449) 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, 338045834 + ... + 338047673.

It is an arithmetic number, because the mean of its divisors is an integer number (45636311790).

Almost surely, 2^622006026440 is an apocalyptic number.

It is an amenable number.

622006026440 is an abundant number, since it is smaller than the sum of its proper divisors (838355950840).

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

622006026440 is a wasteful number, since it uses less digits than its factorization.

622006026440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676093541 (or 676093537 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 622006026440 its reverse (44620600226), we get a palindrome (666626626666).

The spelling of 622006026440 in words is "six hundred twenty-two billion, six million, twenty-six thousand, four hundred forty".