47444128 has 24 divisors (see below), whose sum is σ = 94536288. Its totient is φ = 23434944.

The previous prime is 47444119. The next prime is 47444149. The reversal of 47444128 is 82144474.

It is a junction number, because it is equal to n+sod(n) for n = 47444093 and 47444102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6276 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (3939012).

Almost surely, 2^47444128 is an apocalyptic number.

It is an amenable number.

47444128 is a deficient number, since it is larger than the sum of its proper divisors (47092160).

47444128 is a wasteful number, since it uses less digits than its factorization.

47444128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17956 (or 17948 counting only the distinct ones).

The product of its digits is 28672, while the sum is 34.

The square root of 47444128 is about 6887.9698024890. The cubic root of 47444128 is about 362.0157700974.

The spelling of 47444128 in words is "forty-seven million, four hundred forty-four thousand, one hundred twenty-eight".