4478066256 has 80 divisors (see below), whose sum is σ = 11724249600. Its totient is φ = 1472709504.

The previous prime is 4478066251. The next prime is 4478066261. The reversal of 4478066256 is 6526608744.

It is an interprime number because it is at equal distance from previous prime (4478066251) and next prime (4478066261).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478066251) 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, 1112215 + ... + 1116233.

It is an arithmetic number, because the mean of its divisors is an integer number (146553120).

Almost surely, 2^4478066256 is an apocalyptic number.

It is an amenable number.

4478066256 is an abundant number, since it is smaller than the sum of its proper divisors (7246183344).

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

4478066256 is a wasteful number, since it uses less digits than its factorization.

4478066256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4330 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 4478066256 is about 66918.3551501380. The cubic root of 4478066256 is about 1648.2768979696.

The spelling of 4478066256 in words is "four billion, four hundred seventy-eight million, sixty-six thousand, two hundred fifty-six".