5421043524 has 48 divisors (see below), whose sum is σ = 13661278400. Its totient is φ = 1663217280.

The previous prime is 5421043517. The next prime is 5421043547. The reversal of 5421043524 is 4253401245.

It is a junction number, because it is equal to n+sod(n) for n = 5421043491 and 5421043500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4659 + ... + 104229.

Almost surely, 2^5421043524 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 5421043524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6830639200).

5421043524 is an abundant number, since it is smaller than the sum of its proper divisors (8240234876).

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

5421043524 is a wasteful number, since it uses less digits than its factorization.

5421043524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99940 (or 99938 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 5421043524 is about 73627.7361053564. The cubic root of 5421043524 is about 1756.6866385387.

Adding to 5421043524 its reverse (4253401245), we get a palindrome (9674444769).

The spelling of 5421043524 in words is "five billion, four hundred twenty-one million, forty-three thousand, five hundred twenty-four".