5434350640 has 20 divisors (see below), whose sum is σ = 12634865424. Its totient is φ = 2173740224.

The previous prime is 5434350631. The next prime is 5434350659. The reversal of 5434350640 is 460534345.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5434350596 and 5434350605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33964612 + ... + 33964771.

Almost surely, 2^5434350640 is an apocalyptic number.

It is an amenable number.

5434350640 is an abundant number, since it is smaller than the sum of its proper divisors (7200514784).

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

5434350640 is a wasteful number, since it uses less digits than its factorization.

5434350640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67929396 (or 67929390 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 5434350640 is about 73718.0482649941. The cubic root of 5434350640 is about 1758.1228522690.

Adding to 5434350640 its reverse (460534345), we get a palindrome (5894884985).

The spelling of 5434350640 in words is "five billion, four hundred thirty-four million, three hundred fifty thousand, six hundred forty".