47816240 has 40 divisors (see below), whose sum is σ = 117715680. Its totient is φ = 18000896.

The previous prime is 47816233. The next prime is 47816243. The reversal of 47816240 is 4261874.

47816240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 47816197 and 47816206.

It is not an unprimeable number, because it can be changed into a prime (47816243) by changing a digit.

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, 16220 + ... + 18939.

It is an arithmetic number, because the mean of its divisors is an integer number (2942892).

Almost surely, 2^47816240 is an apocalyptic number.

47816240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47816240 is an abundant number, since it is smaller than the sum of its proper divisors (69899440).

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

47816240 is a wasteful number, since it uses less digits than its factorization.

47816240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35189 (or 35183 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 47816240 is about 6914.9287776520. The cubic root of 47816240 is about 362.9597559273.

The spelling of 47816240 in words is "forty-seven million, eight hundred sixteen thousand, two hundred forty".