2220551642400 has 576 divisors, whose sum is σ = 9063765381888. Its totient is φ = 459669749760.

The previous prime is 2220551642389. The next prime is 2220551642417. The reversal of 2220551642400 is 42461550222.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 11479282 + ... + 11671118.

It is an arithmetic number, because the mean of its divisors is an integer number (15735703788).

Almost surely, 2^{2220551642400} is an apocalyptic number.

2220551642400 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 2220551642400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4531882690944).

2220551642400 is an abundant number, since it is smaller than the sum of its proper divisors (6843213739488).

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

2220551642400 is a wasteful number, since it uses less digits than its factorization.

2220551642400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191933 (or 191920 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 2220551642400 in words is "two trillion, two hundred twenty billion, five hundred fifty-one million, six hundred forty-two thousand, four hundred".