4581183978 has 48 divisors (see below), whose sum is σ = 11503679616. Its totient is φ = 1290471840.

The previous prime is 4581183967. The next prime is 4581183983. The reversal of 4581183978 is 8793811854.

4581183978 is a `hidden beast` number, since 458 + 1 + 183 + 9 + 7 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247101 + ... + 264992.

It is an arithmetic number, because the mean of its divisors is an integer number (239659992).

Almost surely, 2^4581183978 is an apocalyptic number.

4581183978 is an abundant number, since it is smaller than the sum of its proper divisors (6922495638).

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

4581183978 is a wasteful number, since it uses less digits than its factorization.

4581183978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512179 (or 512176 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 4581183978 is about 67684.4441360051. Note that the first 3 decimals coincide. The cubic root of 4581183978 is about 1660.8327918399.

The spelling of 4581183978 in words is "four billion, five hundred eighty-one million, one hundred eighty-three thousand, nine hundred seventy-eight".