622378598400 has 1620 divisors, whose sum is σ = 2571191625912. Its totient is φ = 149060321280.

The previous prime is 622378598383. The next prime is 622378598407. The reversal of 622378598400 is 4895873226.

622378598400 is a `hidden beast` number, since 6 + 2 + 2 + 3 + 7 + 8 + 598 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1620).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622378598407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 16821043182 + ... + 16821043218.

Almost surely, 2^622378598400 is an apocalyptic number.

622378598400 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 622378598400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285595812956).

622378598400 is an abundant number, since it is smaller than the sum of its proper divisors (1948813027512).

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

622378598400 is an equidigital number, since it uses as much as digits as its factorization.

622378598400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 622378598400 in words is "six hundred twenty-two billion, three hundred seventy-eight million, five hundred ninety-eight thousand, four hundred".