6143400420 has 48 divisors (see below), whose sum is σ = 17231742528. Its totient is φ = 1635361920.

The previous prime is 6143400401. The next prime is 6143400491. The reversal of 6143400420 is 240043416.

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, 55399 + ... + 123918.

It is an arithmetic number, because the mean of its divisors is an integer number (358994636).

Almost surely, 2^6143400420 is an apocalyptic number.

6143400420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6143400420 is an abundant number, since it is smaller than the sum of its proper divisors (11088342108).

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

6143400420 is a wasteful number, since it uses less digits than its factorization.

6143400420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179900 (or 179898 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 6143400420 is about 78379.8470271536. The cubic root of 6143400420 is about 1831.4832073481.

Adding to 6143400420 its reverse (240043416), we get a palindrome (6383443836).

The spelling of 6143400420 in words is "six billion, one hundred forty-three million, four hundred thousand, four hundred twenty".