5353231440 has 80 divisors (see below), whose sum is σ = 16602062400. Its totient is φ = 1426922496.

The previous prime is 5353231421. The next prime is 5353231469. The reversal of 5353231440 is 441323535.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5353231398 and 5353231407.

It is a congruent number.

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, 1055631 + ... + 1060689.

It is an arithmetic number, because the mean of its divisors is an integer number (207525780).

Almost surely, 2^5353231440 is an apocalyptic number.

It is an amenable number.

5353231440 is an abundant number, since it is smaller than the sum of its proper divisors (11248830960).

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

5353231440 is a wasteful number, since it uses less digits than its factorization.

5353231440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484 (or 9478 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 5353231440 is about 73165.7805261449. The cubic root of 5353231440 is about 1749.3310575247.

Adding to 5353231440 its reverse (441323535), we get a palindrome (5794554975).

The spelling of 5353231440 in words is "five billion, three hundred fifty-three million, two hundred thirty-one thousand, four hundred forty".