2204402420440 has 64 divisors (see below), whose sum is σ = 5411320745760. Its totient is φ = 801524613120.

The previous prime is 2204402420383. The next prime is 2204402420449. The reversal of 2204402420440 is 440242044022.

It is a junction number, because it is equal to n+sod(n) for n = 2204402420399 and 2204402420408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204402420449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4498362 + ... + 4964278.

Almost surely, 2^{2204402420440} is an apocalyptic number.

2204402420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204402420440 is an abundant number, since it is smaller than the sum of its proper divisors (3206918325320).

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

2204402420440 is a wasteful number, since it uses less digits than its factorization.

2204402420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476692 (or 476688 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2204402420440 its reverse (440242044022), we get a palindrome (2644644464462).

The spelling of 2204402420440 in words is "two trillion, two hundred four billion, four hundred two million, four hundred twenty thousand, four hundred forty".