6143600420 has 48 divisors (see below), whose sum is σ = 13713824880. Its totient is φ = 2303852544.

The previous prime is 6143600389. The next prime is 6143600459. The reversal of 6143600420 is 240063416.

It can be written as a sum of positive squares in 8 ways, for example, as 295633636 + 5847966784 = 17194^2 + 76472^2 .

It is a super-2 number, since 2×6143600420² = 75487652241248352800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6143600420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52226 + ... + 122534.

It is an arithmetic number, because the mean of its divisors is an integer number (285704685).

Almost surely, 2^6143600420 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 6143600420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6856912440).

6143600420 is an abundant number, since it is smaller than the sum of its proper divisors (7570224460).

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

6143600420 is a wasteful number, since it uses less digits than its factorization.

6143600420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70592 (or 70590 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 6143600420 is about 78381.1228549324. The cubic root of 6143600420 is about 1831.5030819366.

Adding to 6143600420 its reverse (240063416), we get a palindrome (6383663836).

The spelling of 6143600420 in words is "six billion, one hundred forty-three million, six hundred thousand, four hundred twenty".