4181478912 has 360 divisors, whose sum is σ = 13622112504. Its totient is φ = 1227276288.

The previous prime is 4181478907. The next prime is 4181478947. The reversal of 4181478912 is 2198741814.

4181478912 is a `hidden beast` number, since 418 + 147 + 8 + 91 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50379223 + ... + 50379305.

Almost surely, 2^4181478912 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 4181478912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6811056252).

4181478912 is an abundant number, since it is smaller than the sum of its proper divisors (9440633592).

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

4181478912 is a wasteful number, since it uses less digits than its factorization.

4181478912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 130 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 4181478912 is about 64664.3558075080. The cubic root of 4181478912 is about 1611.0535280160.

The spelling of 4181478912 in words is "four billion, one hundred eighty-one million, four hundred seventy-eight thousand, nine hundred twelve".