4065340560 has 80 divisors (see below), whose sum is σ = 13343895936. Its totient is φ = 1020319744.

The previous prime is 4065340549. The next prime is 4065340637. The reversal of 4065340560 is 650435604.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4065340560² = 33053987737562227200, which contains 22 as substring.

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, 494124 + ... + 502283.

Almost surely, 2^4065340560 is an apocalyptic number.

4065340560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4065340560 is an abundant number, since it is smaller than the sum of its proper divisors (9278555376).

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

4065340560 is a wasteful number, since it uses less digits than its factorization.

4065340560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996440 (or 996434 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 4065340560 is about 63760.0232120409. The cubic root of 4065340560 is about 1595.9978831763.

The spelling of 4065340560 in words is "four billion, sixty-five million, three hundred forty thousand, five hundred sixty".