4278546224460 has 192 divisors, whose sum is σ = 13400260608000. Its totient is φ = 1133302420224.

The previous prime is 4278546224453. The next prime is 4278546224461. The reversal of 4278546224460 is 644226458724.

4278546224460 is a `hidden beast` number, since 4 + 2 + 7 + 8 + 5 + 4 + 622 + 4 + 4 + 6 + 0 = 666.

4278546224460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 4278546224397 and 4278546224406.

It is not an unprimeable number, because it can be changed into a prime (4278546224461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 334281141 + ... + 334293939.

It is an arithmetic number, because the mean of its divisors is an integer number (69793024000).

Almost surely, 2^{4278546224460} 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 4278546224460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6700130304000).

4278546224460 is an abundant number, since it is smaller than the sum of its proper divisors (9121714383540).

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

4278546224460 is a wasteful number, since it uses less digits than its factorization.

4278546224460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16917 (or 16909 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 54.

The spelling of 4278546224460 in words is "four trillion, two hundred seventy-eight billion, five hundred forty-six million, two hundred twenty-four thousand, four hundred sixty".