8422403001144 has 128 divisors (see below), whose sum is σ = 23093051719680. Its totient is φ = 2538623203200.

The previous prime is 8422403001137. The next prime is 8422403001149. The reversal of 8422403001144 is 4411003042248.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422403001149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43330237 + ... + 43524179.

It is an arithmetic number, because the mean of its divisors is an integer number (180414466560).

Almost surely, 2^{8422403001144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8422403001144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11546525859840).

8422403001144 is an abundant number, since it is smaller than the sum of its proper divisors (14670648718536).

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

8422403001144 is a wasteful number, since it uses less digits than its factorization.

8422403001144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194841 (or 194837 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 8422403001144 in words is "eight trillion, four hundred twenty-two billion, four hundred three million, one thousand, one hundred forty-four".