5431443420 has 96 divisors (see below), whose sum is σ = 16400317248. Its totient is φ = 1335140352.

The previous prime is 5431443419. The next prime is 5431443421. The reversal of 5431443420 is 243441345.

It is an interprime number because it is at equal distance from previous prime (5431443419) and next prime (5431443421).

It is a super-2 number, since 2×5431443420² = 59001155249322592800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431443421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617292 + ... + 626028.

It is an arithmetic number, because the mean of its divisors is an integer number (170836638).

Almost surely, 2^5431443420 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 5431443420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8200158624).

5431443420 is an abundant number, since it is smaller than the sum of its proper divisors (10968873828).

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

5431443420 is a wasteful number, since it uses less digits than its factorization.

5431443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 5431443420 is about 73698.3271180561. The cubic root of 5431443420 is about 1757.8092814313.

Adding to 5431443420 its reverse (243441345), we get a palindrome (5674884765).

The spelling of 5431443420 in words is "five billion, four hundred thirty-one million, four hundred forty-three thousand, four hundred twenty".