5436432540 has 144 divisors (see below), whose sum is σ = 20559651840. Its totient is φ = 1129645440.

The previous prime is 5436432527. The next prime is 5436432541. The reversal of 5436432540 is 452346345.

5436432540 is a `hidden beast` number, since 5 + 4 + 3 + 643 + 2 + 5 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5436432495 and 5436432504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5436432541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182260 + ... + 209979.

It is an arithmetic number, because the mean of its divisors is an integer number (142775360).

Almost surely, 2^5436432540 is an apocalyptic number.

It is an amenable number.

5436432540 is an abundant number, since it is smaller than the sum of its proper divisors (15123219300).

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

5436432540 is a wasteful number, since it uses less digits than its factorization.

5436432540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392272 (or 392267 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 5436432540 is about 73732.1676068187. The cubic root of 5436432540 is about 1758.3473359222.

Adding to 5436432540 its reverse (452346345), we get a palindrome (5888778885).

The spelling of 5436432540 in words is "five billion, four hundred thirty-six million, four hundred thirty-two thousand, five hundred forty".