2220403421440 has 72 divisors (see below), whose sum is σ = 5351189776128. Its totient is φ = 882712442880.

The previous prime is 2220403421377. The next prime is 2220403421441. The reversal of 2220403421440 is 441243040222.

It is a junction number, because it is equal to n+sod(n) for n = 2220403421399 and 2220403421408.

It is not an unprimeable number, because it can be changed into a prime (2220403421441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5112496 + ... + 5529775.

It is an arithmetic number, because the mean of its divisors is an integer number (74322080224).

Almost surely, 2^{2220403421440} is an apocalyptic number.

2220403421440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220403421440 is an abundant number, since it is smaller than the sum of its proper divisors (3130786354688).

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

2220403421440 is a wasteful number, since it uses less digits than its factorization.

2220403421440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642455 (or 10642441 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2220403421440 its reverse (441243040222), we get a palindrome (2661646461662).

The spelling of 2220403421440 in words is "two trillion, two hundred twenty billion, four hundred three million, four hundred twenty-one thousand, four hundred forty".