44471428 has 6 divisors (see below), whose sum is σ = 77825006. Its totient is φ = 22235712.

The previous prime is 44471393. The next prime is 44471467. The reversal of 44471428 is 82417444.

It can be written as a sum of positive squares in only one way, i.e., 22867524 + 21603904 = 4782^2 + 4648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44471393 and 44471402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558925 + ... + 5558932.

Almost surely, 2^44471428 is an apocalyptic number.

It is an amenable number.

44471428 is a deficient number, since it is larger than the sum of its proper divisors (33353578).

44471428 is a wasteful number, since it uses less digits than its factorization.

44471428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117861 (or 11117859 counting only the distinct ones).

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

The square root of 44471428 is about 6668.6901262542. The cubic root of 44471428 is about 354.2911943246.

The spelling of 44471428 in words is "forty-four million, four hundred seventy-one thousand, four hundred twenty-eight".