6143352240 has 40 divisors (see below), whose sum is σ = 19044392688. Its totient is φ = 1638227200.

The previous prime is 6143352211. The next prime is 6143352247. The reversal of 6143352240 is 422533416.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 6143352198 and 6143352207.

It is not an unprimeable number, because it can be changed into a prime (6143352247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12798411 + ... + 12798890.

Almost surely, 2^6143352240 is an apocalyptic number.

6143352240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6143352240 is an abundant number, since it is smaller than the sum of its proper divisors (12901040448).

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

6143352240 is a wasteful number, since it uses less digits than its factorization.

6143352240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25597317 (or 25597311 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6143352240 is about 78379.5396771377. The cubic root of 6143352240 is about 1831.4784194952.

Adding to 6143352240 its reverse (422533416), we get a palindrome (6565885656).

The spelling of 6143352240 in words is "six billion, one hundred forty-three million, three hundred fifty-two thousand, two hundred forty".