840482532 has 18 divisors (see below), whose sum is σ = 2124553158. Its totient is φ = 280160832.

The previous prime is 840482527. The next prime is 840482551. The reversal of 840482532 is 235284048.

840482532 is a `hidden beast` number, since 8 + 40 + 4 + 82 + 532 = 666.

840482532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 834978816 + 5503716 = 28896^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 23346737 = 840482532 / (8 + 4 + 0 + 4 + 8 + 2 + 5 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11673333 + ... + 11673404.

It is an arithmetic number, because the mean of its divisors is an integer number (118030731).

Almost surely, 2^840482532 is an apocalyptic number.

It is an amenable number.

840482532 is an abundant number, since it is smaller than the sum of its proper divisors (1284070626).

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

840482532 is a wasteful number, since it uses less digits than its factorization.

840482532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23346747 (or 23346742 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 840482532 is about 28991.0767651014. The cubic root of 840482532 is about 943.7194311868.

The spelling of 840482532 in words is "eight hundred forty million, four hundred eighty-two thousand, five hundred thirty-two".