4278054236456 has 384 divisors, whose sum is σ = 11083539210240. Its totient is φ = 1505960501760.

The previous prime is 4278054236437. The next prime is 4278054236479. The reversal of 4278054236456 is 6546324508724.

4278054236456 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 (56).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 962006825 + ... + 962011271.

It is an arithmetic number, because the mean of its divisors is an integer number (28863383360).

Almost surely, 2^{4278054236456} 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 4278054236456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5541769605120).

4278054236456 is an abundant number, since it is smaller than the sum of its proper divisors (6805484973784).

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

4278054236456 is a wasteful number, since it uses less digits than its factorization.

4278054236456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4710 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 56.

The spelling of 4278054236456 in words is "four trillion, two hundred seventy-eight billion, fifty-four million, two hundred thirty-six thousand, four hundred fifty-six".