8403218532 has 48 divisors (see below), whose sum is σ = 21986025600. Its totient is φ = 2775371040.

The previous prime is 8403218503. The next prime is 8403218539. The reversal of 8403218532 is 2358123048.

8403218532 is a `hidden beast` number, since 8 + 403 + 218 + 5 + 32 = 666.

It is a super-2 number, since 2×8403218532² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8403218539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345144 + ... + 368687.

It is an arithmetic number, because the mean of its divisors is an integer number (458042200).

Almost surely, 2^8403218532 is an apocalyptic number.

It is an amenable number.

8403218532 is an abundant number, since it is smaller than the sum of its proper divisors (13582807068).

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

8403218532 is a wasteful number, since it uses less digits than its factorization.

8403218532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713953 (or 713945 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 8403218532 is about 91669.0707490809. The cubic root of 8403218532 is about 2033.0523077947.

The spelling of 8403218532 in words is "eight billion, four hundred three million, two hundred eighteen thousand, five hundred thirty-two".