2220242442440 has 64 divisors (see below), whose sum is σ = 5503643392320. Its totient is φ = 799367200000.

The previous prime is 2220242442437. The next prime is 2220242442487. The reversal of 2220242442440 is 442442420222.

It is a junction number, because it is equal to n+sod(n) for n = 2220242442397 and 2220242442406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24935786 + ... + 25024665.

It is an arithmetic number, because the mean of its divisors is an integer number (85994428005).

Almost surely, 2^{2220242442440} is an apocalyptic number.

2220242442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220242442440 is an abundant number, since it is smaller than the sum of its proper divisors (3283400949880).

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

2220242442440 is a wasteful number, since it uses less digits than its factorization.

2220242442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49960574 (or 49960570 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2220242442440 its reverse (442442420222), we get a palindrome (2662684862662).

The spelling of 2220242442440 in words is "two trillion, two hundred twenty billion, two hundred forty-two million, four hundred forty-two thousand, four hundred forty".