47040028 has 24 divisors (see below), whose sum is σ = 95625824. Its totient is φ = 19828800.

The previous prime is 47040013. The next prime is 47040031. The reversal of 47040028 is 82004074.

47040028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47039984 and 47040011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12063 + ... + 15478.

Almost surely, 2^47040028 is an apocalyptic number.

It is an amenable number.

47040028 is an abundant number, since it is smaller than the sum of its proper divisors (48585796).

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

47040028 is a wasteful number, since it uses less digits than its factorization.

47040028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27613 (or 27611 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 47040028 is about 6858.5733210340. The cubic root of 47040028 is about 360.9850286530.

The spelling of 47040028 in words is "forty-seven million, forty thousand, twenty-eight".