2400222404440 has 32 divisors (see below), whose sum is σ = 6172000469280. Its totient is φ = 822933395712.

The previous prime is 2400222404413. The next prime is 2400222404441. The reversal of 2400222404440 is 444042220042.

It is a super-2 number, since 2×2400222404440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2400222404399 and 2400222404408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400222404441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4286111157 + ... + 4286111716.

It is an arithmetic number, because the mean of its divisors is an integer number (192875014665).

Almost surely, 2^{2400222404440} is an apocalyptic number.

2400222404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400222404440 is an abundant number, since it is smaller than the sum of its proper divisors (3771778064840).

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

2400222404440 is a wasteful number, since it uses less digits than its factorization.

2400222404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572222891 (or 8572222887 counting only the distinct ones).

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

Adding to 2400222404440 its reverse (444042220042), we get a palindrome (2844264624482).

It can be divided in two parts, 240022 and 2404440, that added together give a palindrome (2644462).

The spelling of 2400222404440 in words is "two trillion, four hundred billion, two hundred twenty-two million, four hundred four thousand, four hundred forty".