622109966400 has 504 divisors, whose sum is σ = 2409961794240. Its totient is φ = 151285985280.

The previous prime is 622109966389. The next prime is 622109966411. The reversal of 622109966400 is 4669901226.

622109966400 is a `hidden beast` number, since 622 + 10 + 9 + 9 + 6 + 6 + 4 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (622109966389) and next prime (622109966411).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15517581 + ... + 15557619.

Almost surely, 2^622109966400 is an apocalyptic number.

622109966400 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 622109966400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204980897120).

622109966400 is an abundant number, since it is smaller than the sum of its proper divisors (1787851827840).

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

622109966400 is a wasteful number, since it uses less digits than its factorization.

622109966400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40163 (or 40145 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 622109966400 in words is "six hundred twenty-two billion, one hundred nine million, nine hundred sixty-six thousand, four hundred".