4478681172 has 48 divisors (see below), whose sum is σ = 11954321792. Its totient is φ = 1278426240.

The previous prime is 4478681167. The next prime is 4478681173. The reversal of 4478681172 is 2711868744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478681173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67422 + ... + 116202.

Almost surely, 2^4478681172 is an apocalyptic number.

4478681172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4478681172 is an abundant number, since it is smaller than the sum of its proper divisors (7475640620).

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

4478681172 is a wasteful number, since it uses less digits than its factorization.

4478681172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49888 (or 49886 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 4478681172 is about 66922.9495165896. The cubic root of 4478681172 is about 1648.3523401650.

The spelling of 4478681172 in words is "four billion, four hundred seventy-eight million, six hundred eighty-one thousand, one hundred seventy-two".