42481028 has 12 divisors (see below), whose sum is σ = 78714972. Its totient is φ = 19991040.

The previous prime is 42481013. The next prime is 42481063. The reversal of 42481028 is 82018424.

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 12974404 = 5432^2 + 3602^2 .

It is a super-3 number, since 3×42481028³ (a number of 24 digits) contains 333 as substring.

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, 312293 + ... + 312428.

It is an arithmetic number, because the mean of its divisors is an integer number (6559581).

Almost surely, 2^42481028 is an apocalyptic number.

It is an amenable number.

42481028 is a deficient number, since it is larger than the sum of its proper divisors (36233944).

42481028 is a wasteful number, since it uses less digits than its factorization.

42481028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624742 (or 624740 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 42481028 is about 6517.7471568020. The cubic root of 42481028 is about 348.9246668983.

The spelling of 42481028 in words is "forty-two million, four hundred eighty-one thousand, twenty-eight".