47448180 has 144 divisors (see below), whose sum is σ = 160952064. Its totient is φ = 11664000.

The previous prime is 47448157. The next prime is 47448199. The reversal of 47448180 is 8184474.

It is a happy number.

47448180 is a `hidden beast` number, since 474 + 4 + 8 + 180 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62805 + ... + 63555.

Almost surely, 2^47448180 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 47448180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80476032).

47448180 is an abundant number, since it is smaller than the sum of its proper divisors (113503884).

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

47448180 is a wasteful number, since it uses less digits than its factorization.

47448180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 47448180 is about 6888.2639322256. The cubic root of 47448180 is about 362.0260758767.

The spelling of 47448180 in words is "forty-seven million, four hundred forty-eight thousand, one hundred eighty".