622400711140 has 48 divisors (see below), whose sum is σ = 1408011499440. Its totient is φ = 229739558400.

The previous prime is 622400711111. The next prime is 622400711171. The reversal of 622400711140 is 41117004226.

622400711140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 132565897216 + 489834813924 = 364096^2 + 699882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 622400711099 and 622400711108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495666 + ... + 1220854.

It is an arithmetic number, because the mean of its divisors is an integer number (29333572905).

Almost surely, 2^622400711140 is an apocalyptic number.

It is an amenable number.

622400711140 is an abundant number, since it is smaller than the sum of its proper divisors (785610788300).

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

622400711140 is a wasteful number, since it uses less digits than its factorization.

622400711140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728512 (or 728510 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 622400711140 its reverse (41117004226), we get a palindrome (663517715366).

The spelling of 622400711140 in words is "six hundred twenty-two billion, four hundred million, seven hundred eleven thousand, one hundred forty".