5518629432 has 96 divisors (see below), whose sum is σ = 15122764800. Its totient is φ = 1817911872.

The previous prime is 5518629421. The next prime is 5518629433. The reversal of 5518629432 is 2349268155.

5518629432 is a `hidden beast` number, since 5 + 5 + 18 + 629 + 4 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518629433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5076393 + ... + 5077479.

It is an arithmetic number, because the mean of its divisors is an integer number (157528800).

Almost surely, 2^5518629432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5518629432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7561382400).

5518629432 is an abundant number, since it is smaller than the sum of its proper divisors (9604135368).

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

5518629432 is a wasteful number, since it uses less digits than its factorization.

5518629432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865 (or 1858 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 5518629432 is about 74287.4782988358. The cubic root of 5518629432 is about 1767.1649030402.

The spelling of 5518629432 in words is "five billion, five hundred eighteen million, six hundred twenty-nine thousand, four hundred thirty-two".