4478122218744 has 64 divisors (see below), whose sum is σ = 12537175142400. Its totient is φ = 1480953795552.

The previous prime is 4478122218743. The next prime is 4478122218763.

4478122218744 is a `hidden beast` number, since 4 + 478 + 122 + 2 + 1 + 8 + 7 + 44 = 666.

4478122218744 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478122218743) 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, 81594802 + ... + 81649665.

It is an arithmetic number, because the mean of its divisors is an integer number (195893361600).

Almost surely, 2^{4478122218744} is an apocalyptic number.

It is an amenable number.

4478122218744 is an abundant number, since it is smaller than the sum of its proper divisors (8059052923656).

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

4478122218744 is a wasteful number, since it uses less digits than its factorization.

4478122218744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163244609 (or 163244599 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 54.

The spelling of 4478122218744 in words is "four trillion, four hundred seventy-eight billion, one hundred twenty-two million, two hundred eighteen thousand, seven hundred forty-four".