6434105540 has 24 divisors (see below), whose sum is σ = 13733126232. Its totient is φ = 2531450880.

The previous prime is 6434105533. The next prime is 6434105627. The reversal of 6434105540 is 455014346.

It can be written as a sum of positive squares in 4 ways, for example, as 683613316 + 5750492224 = 26146^2 + 75832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6434105497 and 6434105506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635709 + ... + 2638148.

It is an arithmetic number, because the mean of its divisors is an integer number (572213593).

Almost surely, 2^6434105540 is an apocalyptic number.

It is an amenable number.

6434105540 is an abundant number, since it is smaller than the sum of its proper divisors (7299020692).

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

6434105540 is a wasteful number, since it uses less digits than its factorization.

6434105540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273927 (or 5273925 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 6434105540 is about 80212.8763977455. The cubic root of 6434105540 is about 1859.9276901785.

Adding to 6434105540 its reverse (455014346), we get a palindrome (6889119886).

The spelling of 6434105540 in words is "six billion, four hundred thirty-four million, one hundred five thousand, five hundred forty".