6422401612620 has 288 divisors, whose sum is σ = 22348662336000. Its totient is φ = 1462423818240.

The previous prime is 6422401612619. The next prime is 6422401612657. The reversal of 6422401612620 is 262161042246.

6422401612620 is a `hidden beast` number, since 6 + 4 + 2 + 2 + 4 + 0 + 16 + 12 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 625167804 + ... + 625178076.

It is an arithmetic number, because the mean of its divisors is an integer number (77599522000).

Almost surely, 2^{6422401612620} is an apocalyptic number.

6422401612620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6422401612620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11174331168000).

6422401612620 is an abundant number, since it is smaller than the sum of its proper divisors (15926260723380).

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

6422401612620 is a wasteful number, since it uses less digits than its factorization.

6422401612620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125 (or 12120 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 6422401612620 its reverse (262161042246), we get a palindrome (6684562654866).

The spelling of 6422401612620 in words is "six trillion, four hundred twenty-two billion, four hundred one million, six hundred twelve thousand, six hundred twenty".