22620326400 has 360 divisors, whose sum is σ = 92519759904. Its totient is φ = 5170176000.

The previous prime is 22620326381. The next prime is 22620326423. The reversal of 22620326400 is 462302622.

22620326400 is a `hidden beast` number, since 2 + 2 + 620 + 32 + 6 + 4 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 792375 + ... + 820425.

Almost surely, 2^22620326400 is an apocalyptic number.

22620326400 is a gapful number since it is divisible by the number (20) 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 22620326400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46259879952).

22620326400 is an abundant number, since it is smaller than the sum of its proper divisors (69899433504).

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

22620326400 is a wasteful number, since it uses less digits than its factorization.

22620326400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28092 (or 28068 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 22620326400 in words is "twenty-two billion, six hundred twenty million, three hundred twenty-six thousand, four hundred".